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Finding the Third Proportional to 7,497 and 11,839.50

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Solution

The third proportional to 7,497 and 11,839.50 is: 18,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497 : 11,839.50 = 11,839.50 : x
  2. Step 2: Convert to fraction form
    7,497/11,839.50 = 11,839.50/x
  3. Step 3: Cross multiply
    7,497x = 11,839.50 × 11,839.50
  4. Step 4: Simplify right side
    7,497x = 140,173,760.25
  5. Step 5: Solve for x
    x = 140,173,760.25/7,497
  6. Step 6: Final answer
    x = 18,697.31

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.