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Finding the Third Proportional to 15,630 and 25,394

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Solution

The third proportional to 15,630 and 25,394 is: 41,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630 : 25,394 = 25,394 : x
  2. Step 2: Convert to fraction form
    15,630/25,394 = 25,394/x
  3. Step 3: Cross multiply
    15,630x = 25,394 × 25,394
  4. Step 4: Simplify right side
    15,630x = 644,855,236
  5. Step 5: Solve for x
    x = 644,855,236/15,630
  6. Step 6: Final answer
    x = 41,257.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.