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Finding the Third Proportional to 138,950 and 282,810

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Solution

The third proportional to 138,950 and 282,810 is: 575,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,950 : 282,810 = 282,810 : x
  2. Step 2: Convert to fraction form
    138,950/282,810 = 282,810/x
  3. Step 3: Cross multiply
    138,950x = 282,810 × 282,810
  4. Step 4: Simplify right side
    138,950x = 79,981,496,100
  5. Step 5: Solve for x
    x = 79,981,496,100/138,950
  6. Step 6: Final answer
    x = 575,613.50

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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.