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Finding the Third Proportional to 15,720 and 24,126

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Solution

The third proportional to 15,720 and 24,126 is: 37,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720 : 24,126 = 24,126 : x
  2. Step 2: Convert to fraction form
    15,720/24,126 = 24,126/x
  3. Step 3: Cross multiply
    15,720x = 24,126 × 24,126
  4. Step 4: Simplify right side
    15,720x = 582,063,876
  5. Step 5: Solve for x
    x = 582,063,876/15,720
  6. Step 6: Final answer
    x = 37,026.96

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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.