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Finding the Third Proportional to 120,325 and 243,571

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Solution

The third proportional to 120,325 and 243,571 is: 493,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,325 : 243,571 = 243,571 : x
  2. Step 2: Convert to fraction form
    120,325/243,571 = 243,571/x
  3. Step 3: Cross multiply
    120,325x = 243,571 × 243,571
  4. Step 4: Simplify right side
    120,325x = 59,326,832,041
  5. Step 5: Solve for x
    x = 59,326,832,041/120,325
  6. Step 6: Final answer
    x = 493,054.91

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.