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Finding the Third Proportional to 38,169 and 57,672

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Solution

The third proportional to 38,169 and 57,672 is: 87,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169 : 57,672 = 57,672 : x
  2. Step 2: Convert to fraction form
    38,169/57,672 = 57,672/x
  3. Step 3: Cross multiply
    38,169x = 57,672 × 57,672
  4. Step 4: Simplify right side
    38,169x = 3,326,059,584
  5. Step 5: Solve for x
    x = 3,326,059,584/38,169
  6. Step 6: Final answer
    x = 87,140.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.