Finding the Third Proportional to 5,128,792 and 8,121,319
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Solution
The third proportional to 5,128,792 and 8,121,319 is: 12,859,913.66
Step by Step Solution
- Step 1: Write the proportion equation
5,128,792 : 8,121,319 = 8,121,319 : x - Step 2: Convert to fraction form
5,128,792/8,121,319 = 8,121,319/x - Step 3: Cross multiply
5,128,792x = 8,121,319 × 8,121,319 - Step 4: Simplify right side
5,128,792x = 65,955,822,299,761 - Step 5: Solve for x
x = 65,955,822,299,761/5,128,792 - Step 6: Final answer
x = 12,859,913.66
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.