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Finding the Third Proportional to 124,797,292 and 278,272,688

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Solution

The third proportional to 124,797,292 and 278,272,688 is: 620,491,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,797,292 : 278,272,688 = 278,272,688 : x
  2. Step 2: Convert to fraction form
    124,797,292/278,272,688 = 278,272,688/x
  3. Step 3: Cross multiply
    124,797,292x = 278,272,688 × 278,272,688
  4. Step 4: Simplify right side
    124,797,292x = 77,435,688,886,745,344
  5. Step 5: Solve for x
    x = 77,435,688,886,745,344/124,797,292
  6. Step 6: Final answer
    x = 620,491,740.21

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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.