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Finding the Third Proportional to 71,247,697 and 155,613,014

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Solution

The third proportional to 71,247,697 and 155,613,014 is: 339,876,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,247,697 : 155,613,014 = 155,613,014 : x
  2. Step 2: Convert to fraction form
    71,247,697/155,613,014 = 155,613,014/x
  3. Step 3: Cross multiply
    71,247,697x = 155,613,014 × 155,613,014
  4. Step 4: Simplify right side
    71,247,697x = 24,215,410,126,164,196
  5. Step 5: Solve for x
    x = 24,215,410,126,164,196/71,247,697
  6. Step 6: Final answer
    x = 339,876,391.04

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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.