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Finding the Third Proportional to 131,281.50 and 267,378

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Solution

The third proportional to 131,281.50 and 267,378 is: 544,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,281.50 : 267,378 = 267,378 : x
  2. Step 2: Convert to fraction form
    131,281.50/267,378 = 267,378/x
  3. Step 3: Cross multiply
    131,281.50x = 267,378 × 267,378
  4. Step 4: Simplify right side
    131,281.50x = 71,490,994,884
  5. Step 5: Solve for x
    x = 71,490,994,884/131,281.50
  6. Step 6: Final answer
    x = 544,562.60

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.