Finding the Third Proportional to 215,215,540 and 342,616,902
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Solution
The third proportional to 215,215,540 and 342,616,902 is: 545,436,177.78
Step by Step Solution
- Step 1: Write the proportion equation
215,215,540 : 342,616,902 = 342,616,902 : x - Step 2: Convert to fraction form
215,215,540/342,616,902 = 342,616,902/x - Step 3: Cross multiply
215,215,540x = 342,616,902 × 342,616,902 - Step 4: Simplify right side
215,215,540x = 117,386,341,536,077,600 - Step 5: Solve for x
x = 117,386,341,536,077,600/215,215,540 - Step 6: Final answer
x = 545,436,177.78
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.