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Finding the Third Proportional to 18,707 and 40,933

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Solution

The third proportional to 18,707 and 40,933 is: 89,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707 : 40,933 = 40,933 : x
  2. Step 2: Convert to fraction form
    18,707/40,933 = 40,933/x
  3. Step 3: Cross multiply
    18,707x = 40,933 × 40,933
  4. Step 4: Simplify right side
    18,707x = 1,675,510,489
  5. Step 5: Solve for x
    x = 1,675,510,489/18,707
  6. Step 6: Final answer
    x = 89,565.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.