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Finding the Third Proportional to 65,760 and 144,624

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Solution

The third proportional to 65,760 and 144,624 is: 318,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,760 : 144,624 = 144,624 : x
  2. Step 2: Convert to fraction form
    65,760/144,624 = 144,624/x
  3. Step 3: Cross multiply
    65,760x = 144,624 × 144,624
  4. Step 4: Simplify right side
    65,760x = 20,916,101,376
  5. Step 5: Solve for x
    x = 20,916,101,376/65,760
  6. Step 6: Final answer
    x = 318,067.24

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.