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Finding the Third Proportional to 124,797,288 and 278,272,680

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Solution

The third proportional to 124,797,288 and 278,272,680 is: 620,491,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,797,288 : 278,272,680 = 278,272,680 : x
  2. Step 2: Convert to fraction form
    124,797,288/278,272,680 = 278,272,680/x
  3. Step 3: Cross multiply
    124,797,288x = 278,272,680 × 278,272,680
  4. Step 4: Simplify right side
    124,797,288x = 77,435,684,434,382,400
  5. Step 5: Solve for x
    x = 77,435,684,434,382,400/124,797,288
  6. Step 6: Final answer
    x = 620,491,724.42

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