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Finding the Third Proportional to 9,394 and 12,515

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Solution

The third proportional to 9,394 and 12,515 is: 16,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394 : 12,515 = 12,515 : x
  2. Step 2: Convert to fraction form
    9,394/12,515 = 12,515/x
  3. Step 3: Cross multiply
    9,394x = 12,515 × 12,515
  4. Step 4: Simplify right side
    9,394x = 156,625,225
  5. Step 5: Solve for x
    x = 156,625,225/9,394
  6. Step 6: Final answer
    x = 16,672.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.