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Finding the Third Proportional to 134,640 and 283,860

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Solution

The third proportional to 134,640 and 283,860 is: 598,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,640 : 283,860 = 283,860 : x
  2. Step 2: Convert to fraction form
    134,640/283,860 = 283,860/x
  3. Step 3: Cross multiply
    134,640x = 283,860 × 283,860
  4. Step 4: Simplify right side
    134,640x = 80,576,499,600
  5. Step 5: Solve for x
    x = 80,576,499,600/134,640
  6. Step 6: Final answer
    x = 598,458.85

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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.