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Finding the Third Proportional to 17,353 and 36,620

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Solution

The third proportional to 17,353 and 36,620 is: 77,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,353 : 36,620 = 36,620 : x
  2. Step 2: Convert to fraction form
    17,353/36,620 = 36,620/x
  3. Step 3: Cross multiply
    17,353x = 36,620 × 36,620
  4. Step 4: Simplify right side
    17,353x = 1,341,024,400
  5. Step 5: Solve for x
    x = 1,341,024,400/17,353
  6. Step 6: Final answer
    x = 77,279.11

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.