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Finding the Third Proportional to 31,332 and 48,532

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Solution

The third proportional to 31,332 and 48,532 is: 75,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332 : 48,532 = 48,532 : x
  2. Step 2: Convert to fraction form
    31,332/48,532 = 48,532/x
  3. Step 3: Cross multiply
    31,332x = 48,532 × 48,532
  4. Step 4: Simplify right side
    31,332x = 2,355,355,024
  5. Step 5: Solve for x
    x = 2,355,355,024/31,332
  6. Step 6: Final answer
    x = 75,174.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.