Finding the Third Proportional to 357,863,779 and 782,715,206
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Solution
The third proportional to 357,863,779 and 782,715,206 is: 1,711,944,962.45
Step by Step Solution
- Step 1: Write the proportion equation
357,863,779 : 782,715,206 = 782,715,206 : x - Step 2: Convert to fraction form
357,863,779/782,715,206 = 782,715,206/x - Step 3: Cross multiply
357,863,779x = 782,715,206 × 782,715,206 - Step 4: Simplify right side
357,863,779x = 612,643,093,703,622,400 - Step 5: Solve for x
x = 612,643,093,703,622,400/357,863,779 - Step 6: Final answer
x = 1,711,944,962.45
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.