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Finding the Third Proportional to 182,747 and 274,120

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Solution

The third proportional to 182,747 and 274,120 is: 411,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,747 : 274,120 = 274,120 : x
  2. Step 2: Convert to fraction form
    182,747/274,120 = 274,120/x
  3. Step 3: Cross multiply
    182,747x = 274,120 × 274,120
  4. Step 4: Simplify right side
    182,747x = 75,141,774,400
  5. Step 5: Solve for x
    x = 75,141,774,400/182,747
  6. Step 6: Final answer
    x = 411,179.25

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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.