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Finding the Third Proportional to 182,400 and 272,871

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Solution

The third proportional to 182,400 and 272,871 is: 408,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,400 : 272,871 = 272,871 : x
  2. Step 2: Convert to fraction form
    182,400/272,871 = 272,871/x
  3. Step 3: Cross multiply
    182,400x = 272,871 × 272,871
  4. Step 4: Simplify right side
    182,400x = 74,458,582,641
  5. Step 5: Solve for x
    x = 74,458,582,641/182,400
  6. Step 6: Final answer
    x = 408,215.91

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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.