And that's your answer - which has nothing to do with "inconsistencies". JPEG doesn't have DPI / PPI info - just pixel size - so InDesign imports it as 72 PPI "by default". If you want to have full controll over the imported size - save yo...
Solved: The screenshots below are from a fresh new InDesign document with six pasted images: PNG and JPG with 72, 96, and 300 DPI. (All of the images are - 12697226
Solved: The screenshots below are from a fresh new InDesign document with six pasted images: PNG and JPG with 72, 96, and 300 DPI. (All of the images are - 12697226