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Finding the Third Proportional to 20,358 and 28,626

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Solution

The third proportional to 20,358 and 28,626 is: 40,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358 : 28,626 = 28,626 : x
  2. Step 2: Convert to fraction form
    20,358/28,626 = 28,626/x
  3. Step 3: Cross multiply
    20,358x = 28,626 × 28,626
  4. Step 4: Simplify right side
    20,358x = 819,447,876
  5. Step 5: Solve for x
    x = 819,447,876/20,358
  6. Step 6: Final answer
    x = 40,251.89

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.