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Finding the Third Proportional to 124,742 and 266,980

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Solution

The third proportional to 124,742 and 266,980 is: 571,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,742 : 266,980 = 266,980 : x
  2. Step 2: Convert to fraction form
    124,742/266,980 = 266,980/x
  3. Step 3: Cross multiply
    124,742x = 266,980 × 266,980
  4. Step 4: Simplify right side
    124,742x = 71,278,320,400
  5. Step 5: Solve for x
    x = 71,278,320,400/124,742
  6. Step 6: Final answer
    x = 571,405.95

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.