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Finding the Third Proportional to 124,797,081 and 278,272,320

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Solution

The third proportional to 124,797,081 and 278,272,320 is: 620,491,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,797,081 : 278,272,320 = 278,272,320 : x
  2. Step 2: Convert to fraction form
    124,797,081/278,272,320 = 278,272,320/x
  3. Step 3: Cross multiply
    124,797,081x = 278,272,320 × 278,272,320
  4. Step 4: Simplify right side
    124,797,081x = 77,435,484,078,182,400
  5. Step 5: Solve for x
    x = 77,435,484,078,182,400/124,797,081
  6. Step 6: Final answer
    x = 620,491,148.17

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.