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Finding the Third Proportional to 124,416 and 268,472

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Solution

The third proportional to 124,416 and 268,472 is: 579,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416 : 268,472 = 268,472 : x
  2. Step 2: Convert to fraction form
    124,416/268,472 = 268,472/x
  3. Step 3: Cross multiply
    124,416x = 268,472 × 268,472
  4. Step 4: Simplify right side
    124,416x = 72,077,214,784
  5. Step 5: Solve for x
    x = 72,077,214,784/124,416
  6. Step 6: Final answer
    x = 579,324.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.