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Finding the Third Proportional to 45,252 and 80,298

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Solution

The third proportional to 45,252 and 80,298 is: 142,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,252 : 80,298 = 80,298 : x
  2. Step 2: Convert to fraction form
    45,252/80,298 = 80,298/x
  3. Step 3: Cross multiply
    45,252x = 80,298 × 80,298
  4. Step 4: Simplify right side
    45,252x = 6,447,768,804
  5. Step 5: Solve for x
    x = 6,447,768,804/45,252
  6. Step 6: Final answer
    x = 142,485.83

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.