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Finding the Third Proportional to 15,720 and 29,244

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Solution

The third proportional to 15,720 and 29,244 is: 54,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720 : 29,244 = 29,244 : x
  2. Step 2: Convert to fraction form
    15,720/29,244 = 29,244/x
  3. Step 3: Cross multiply
    15,720x = 29,244 × 29,244
  4. Step 4: Simplify right side
    15,720x = 855,211,536
  5. Step 5: Solve for x
    x = 855,211,536/15,720
  6. Step 6: Final answer
    x = 54,402.77

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.