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Finding the Third Proportional to 31,600 and 47,482

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Solution

The third proportional to 31,600 and 47,482 is: 71,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,600 : 47,482 = 47,482 : x
  2. Step 2: Convert to fraction form
    31,600/47,482 = 47,482/x
  3. Step 3: Cross multiply
    31,600x = 47,482 × 47,482
  4. Step 4: Simplify right side
    31,600x = 2,254,540,324
  5. Step 5: Solve for x
    x = 2,254,540,324/31,600
  6. Step 6: Final answer
    x = 71,346.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.