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Finding the Third Proportional to 38,761 and 99,564

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Solution

The third proportional to 38,761 and 99,564 is: 255,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761 : 99,564 = 99,564 : x
  2. Step 2: Convert to fraction form
    38,761/99,564 = 99,564/x
  3. Step 3: Cross multiply
    38,761x = 99,564 × 99,564
  4. Step 4: Simplify right side
    38,761x = 9,912,990,096
  5. Step 5: Solve for x
    x = 9,912,990,096/38,761
  6. Step 6: Final answer
    x = 255,746.50

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Why These Related Problems?

These problems maintain the same ratio (2.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.