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Finding the Third Proportional to 54,332 and 86,453

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Solution

The third proportional to 54,332 and 86,453 is: 137,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332 : 86,453 = 86,453 : x
  2. Step 2: Convert to fraction form
    54,332/86,453 = 86,453/x
  3. Step 3: Cross multiply
    54,332x = 86,453 × 86,453
  4. Step 4: Simplify right side
    54,332x = 7,474,121,209
  5. Step 5: Solve for x
    x = 7,474,121,209/54,332
  6. Step 6: Final answer
    x = 137,563.89

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.