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Finding the Third Proportional to 55,149 and 82,506

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Solution

The third proportional to 55,149 and 82,506 is: 123,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,149 : 82,506 = 82,506 : x
  2. Step 2: Convert to fraction form
    55,149/82,506 = 82,506/x
  3. Step 3: Cross multiply
    55,149x = 82,506 × 82,506
  4. Step 4: Simplify right side
    55,149x = 6,807,240,036
  5. Step 5: Solve for x
    x = 6,807,240,036/55,149
  6. Step 6: Final answer
    x = 123,433.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.