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Finding the Third Proportional to 71,247,701 and 155,613,022

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Solution

The third proportional to 71,247,701 and 155,613,022 is: 339,876,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,247,701 : 155,613,022 = 155,613,022 : x
  2. Step 2: Convert to fraction form
    71,247,701/155,613,022 = 155,613,022/x
  3. Step 3: Cross multiply
    71,247,701x = 155,613,022 × 155,613,022
  4. Step 4: Simplify right side
    71,247,701x = 24,215,412,615,972,484
  5. Step 5: Solve for x
    x = 24,215,412,615,972,484/71,247,701
  6. Step 6: Final answer
    x = 339,876,406.90

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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.