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Finding the Third Proportional to 38,330 and 61,545

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Solution

The third proportional to 38,330 and 61,545 is: 98,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330 : 61,545 = 61,545 : x
  2. Step 2: Convert to fraction form
    38,330/61,545 = 61,545/x
  3. Step 3: Cross multiply
    38,330x = 61,545 × 61,545
  4. Step 4: Simplify right side
    38,330x = 3,787,787,025
  5. Step 5: Solve for x
    x = 3,787,787,025/38,330
  6. Step 6: Final answer
    x = 98,820.43

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.