Finding the Third Proportional to 128,149,404 and 279,585,691.50
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Solution
The third proportional to 128,149,404 and 279,585,691.50 is: 609,976,765.02
Step by Step Solution
- Step 1: Write the proportion equation
128,149,404 : 279,585,691.50 = 279,585,691.50 : x - Step 2: Convert to fraction form
128,149,404/279,585,691.50 = 279,585,691.50/x - Step 3: Cross multiply
128,149,404x = 279,585,691.50 × 279,585,691.50 - Step 4: Simplify right side
128,149,404x = 78,168,158,891,533,168 - Step 5: Solve for x
x = 78,168,158,891,533,168/128,149,404 - Step 6: Final answer
x = 609,976,765.02
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.