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Finding the Third Proportional to 5,367 and 8,542.50

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Solution

The third proportional to 5,367 and 8,542.50 is: 13,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367 : 8,542.50 = 8,542.50 : x
  2. Step 2: Convert to fraction form
    5,367/8,542.50 = 8,542.50/x
  3. Step 3: Cross multiply
    5,367x = 8,542.50 × 8,542.50
  4. Step 4: Simplify right side
    5,367x = 72,974,306.25
  5. Step 5: Solve for x
    x = 72,974,306.25/5,367
  6. Step 6: Final answer
    x = 13,596.85

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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.