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Finding the Third Proportional to 27,432 and 38,862

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Solution

The third proportional to 27,432 and 38,862 is: 55,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432 : 38,862 = 38,862 : x
  2. Step 2: Convert to fraction form
    27,432/38,862 = 38,862/x
  3. Step 3: Cross multiply
    27,432x = 38,862 × 38,862
  4. Step 4: Simplify right side
    27,432x = 1,510,255,044
  5. Step 5: Solve for x
    x = 1,510,255,044/27,432
  6. Step 6: Final answer
    x = 55,054.50

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.