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Finding the Third Proportional to 932 and 2,191.75

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Solution

The third proportional to 932 and 2,191.75 is: 5,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    932 : 2,191.75 = 2,191.75 : x
  2. Step 2: Convert to fraction form
    932/2,191.75 = 2,191.75/x
  3. Step 3: Cross multiply
    932x = 2,191.75 × 2,191.75
  4. Step 4: Simplify right side
    932x = 4,803,768.06
  5. Step 5: Solve for x
    x = 4,803,768.06/932
  6. Step 6: Final answer
    x = 5,154.26

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.