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Finding the Third Proportional to 65,376 and 100,170

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Solution

The third proportional to 65,376 and 100,170 is: 153,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,376 : 100,170 = 100,170 : x
  2. Step 2: Convert to fraction form
    65,376/100,170 = 100,170/x
  3. Step 3: Cross multiply
    65,376x = 100,170 × 100,170
  4. Step 4: Simplify right side
    65,376x = 10,034,028,900
  5. Step 5: Solve for x
    x = 10,034,028,900/65,376
  6. Step 6: Final answer
    x = 153,481.84

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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.