Finding the Third Proportional to 121,987,312 and 267,862,496
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Solution
The third proportional to 121,987,312 and 267,862,496 is: 588,178,521.09
Step by Step Solution
- Step 1: Write the proportion equation
121,987,312 : 267,862,496 = 267,862,496 : x - Step 2: Convert to fraction form
121,987,312/267,862,496 = 267,862,496/x - Step 3: Cross multiply
121,987,312x = 267,862,496 × 267,862,496 - Step 4: Simplify right side
121,987,312x = 71,750,316,763,350,016 - Step 5: Solve for x
x = 71,750,316,763,350,016/121,987,312 - Step 6: Final answer
x = 588,178,521.09
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.