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Finding the Third Proportional to 38,650 and 51,771

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Solution

The third proportional to 38,650 and 51,771 is: 69,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650 : 51,771 = 51,771 : x
  2. Step 2: Convert to fraction form
    38,650/51,771 = 51,771/x
  3. Step 3: Cross multiply
    38,650x = 51,771 × 51,771
  4. Step 4: Simplify right side
    38,650x = 2,680,236,441
  5. Step 5: Solve for x
    x = 2,680,236,441/38,650
  6. Step 6: Final answer
    x = 69,346.35

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.