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Finding the Third Proportional to 40,758 and 85,940

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Solution

The third proportional to 40,758 and 85,940 is: 181,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,758 : 85,940 = 85,940 : x
  2. Step 2: Convert to fraction form
    40,758/85,940 = 85,940/x
  3. Step 3: Cross multiply
    40,758x = 85,940 × 85,940
  4. Step 4: Simplify right side
    40,758x = 7,385,683,600
  5. Step 5: Solve for x
    x = 7,385,683,600/40,758
  6. Step 6: Final answer
    x = 181,208.19

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.