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Finding the Third Proportional to 45,036 and 67,170

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Solution

The third proportional to 45,036 and 67,170 is: 100,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,036 : 67,170 = 67,170 : x
  2. Step 2: Convert to fraction form
    45,036/67,170 = 67,170/x
  3. Step 3: Cross multiply
    45,036x = 67,170 × 67,170
  4. Step 4: Simplify right side
    45,036x = 4,511,808,900
  5. Step 5: Solve for x
    x = 4,511,808,900/45,036
  6. Step 6: Final answer
    x = 100,182.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.