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Finding the Third Proportional to 10,081.50 and 15,394

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Solution

The third proportional to 10,081.50 and 15,394 is: 23,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.50 : 15,394 = 15,394 : x
  2. Step 2: Convert to fraction form
    10,081.50/15,394 = 15,394/x
  3. Step 3: Cross multiply
    10,081.50x = 15,394 × 15,394
  4. Step 4: Simplify right side
    10,081.50x = 236,975,236
  5. Step 5: Solve for x
    x = 236,975,236/10,081.50
  6. Step 6: Final answer
    x = 23,505.95

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.