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Finding the Third Proportional to 51,871.50 and 82,344

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Solution

The third proportional to 51,871.50 and 82,344 is: 130,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.50 : 82,344 = 82,344 : x
  2. Step 2: Convert to fraction form
    51,871.50/82,344 = 82,344/x
  3. Step 3: Cross multiply
    51,871.50x = 82,344 × 82,344
  4. Step 4: Simplify right side
    51,871.50x = 6,780,534,336
  5. Step 5: Solve for x
    x = 6,780,534,336/51,871.50
  6. Step 6: Final answer
    x = 130,717.92

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.