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Finding the Third Proportional to 71,247,706 and 155,613,038

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Solution

The third proportional to 71,247,706 and 155,613,038 is: 339,876,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,247,706 : 155,613,038 = 155,613,038 : x
  2. Step 2: Convert to fraction form
    71,247,706/155,613,038 = 155,613,038/x
  3. Step 3: Cross multiply
    71,247,706x = 155,613,038 × 155,613,038
  4. Step 4: Simplify right side
    71,247,706x = 24,215,417,595,589,444
  5. Step 5: Solve for x
    x = 24,215,417,595,589,444/71,247,706
  6. Step 6: Final answer
    x = 339,876,452.94

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.