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Finding the Third Proportional to 26,290 and 41,624

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Solution

The third proportional to 26,290 and 41,624 is: 65,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290 : 41,624 = 41,624 : x
  2. Step 2: Convert to fraction form
    26,290/41,624 = 41,624/x
  3. Step 3: Cross multiply
    26,290x = 41,624 × 41,624
  4. Step 4: Simplify right side
    26,290x = 1,732,557,376
  5. Step 5: Solve for x
    x = 1,732,557,376/26,290
  6. Step 6: Final answer
    x = 65,901.76

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.