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Finding the Third Proportional to 132,613,449 and 278,969,172

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Solution

The third proportional to 132,613,449 and 278,969,172 is: 586,846,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,613,449 : 278,969,172 = 278,969,172 : x
  2. Step 2: Convert to fraction form
    132,613,449/278,969,172 = 278,969,172/x
  3. Step 3: Cross multiply
    132,613,449x = 278,969,172 × 278,969,172
  4. Step 4: Simplify right side
    132,613,449x = 77,823,798,926,365,584
  5. Step 5: Solve for x
    x = 77,823,798,926,365,584/132,613,449
  6. Step 6: Final answer
    x = 586,846,956.42

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.