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Finding the Third Proportional to 130,320 and 283,059

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Solution

The third proportional to 130,320 and 283,059 is: 614,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,320 : 283,059 = 283,059 : x
  2. Step 2: Convert to fraction form
    130,320/283,059 = 283,059/x
  3. Step 3: Cross multiply
    130,320x = 283,059 × 283,059
  4. Step 4: Simplify right side
    130,320x = 80,122,397,481
  5. Step 5: Solve for x
    x = 80,122,397,481/130,320
  6. Step 6: Final answer
    x = 614,812.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.