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Finding the Third Proportional to 124,332 and 268,320

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Solution

The third proportional to 124,332 and 268,320 is: 579,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,332 : 268,320 = 268,320 : x
  2. Step 2: Convert to fraction form
    124,332/268,320 = 268,320/x
  3. Step 3: Cross multiply
    124,332x = 268,320 × 268,320
  4. Step 4: Simplify right side
    124,332x = 71,995,622,400
  5. Step 5: Solve for x
    x = 71,995,622,400/124,332
  6. Step 6: Final answer
    x = 579,059.47

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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.