Finding the Third Proportional to 42,792 and 66,516
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Solution
The third proportional to 42,792 and 66,516 is: 103,392.65
Step by Step Solution
- Step 1: Write the proportion equation
42,792 : 66,516 = 66,516 : x - Step 2: Convert to fraction form
42,792/66,516 = 66,516/x - Step 3: Cross multiply
42,792x = 66,516 × 66,516 - Step 4: Simplify right side
42,792x = 4,424,378,256 - Step 5: Solve for x
x = 4,424,378,256/42,792 - Step 6: Final answer
x = 103,392.65
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.