Finding the Third Proportional to 18,438,540 and 39,831,376
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Solution
The third proportional to 18,438,540 and 39,831,376 is: 86,044,693.02
Step by Step Solution
- Step 1: Write the proportion equation
18,438,540 : 39,831,376 = 39,831,376 : x - Step 2: Convert to fraction form
18,438,540/39,831,376 = 39,831,376/x - Step 3: Cross multiply
18,438,540x = 39,831,376 × 39,831,376 - Step 4: Simplify right side
18,438,540x = 1,586,538,514,053,376 - Step 5: Solve for x
x = 1,586,538,514,053,376/18,438,540 - Step 6: Final answer
x = 86,044,693.02
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.