Finding the Third Proportional to 87,900,400 and 129,310,278
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Solution
The third proportional to 87,900,400 and 129,310,278 is: 190,228,349.32
Step by Step Solution
- Step 1: Write the proportion equation
87,900,400 : 129,310,278 = 129,310,278 : x - Step 2: Convert to fraction form
87,900,400/129,310,278 = 129,310,278/x - Step 3: Cross multiply
87,900,400x = 129,310,278 × 129,310,278 - Step 4: Simplify right side
87,900,400x = 16,721,147,996,437,284 - Step 5: Solve for x
x = 16,721,147,996,437,284/87,900,400 - Step 6: Final answer
x = 190,228,349.32
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.