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Finding the Third Proportional to 38,427 and 57,641

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Solution

The third proportional to 38,427 and 57,641 is: 86,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,427 : 57,641 = 57,641 : x
  2. Step 2: Convert to fraction form
    38,427/57,641 = 57,641/x
  3. Step 3: Cross multiply
    38,427x = 57,641 × 57,641
  4. Step 4: Simplify right side
    38,427x = 3,322,484,881
  5. Step 5: Solve for x
    x = 3,322,484,881/38,427
  6. Step 6: Final answer
    x = 86,462.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.