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Finding the Third Proportional to 7,854.75 and 9,231.75

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Solution

The third proportional to 7,854.75 and 9,231.75 is: 10,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.75 : 9,231.75 = 9,231.75 : x
  2. Step 2: Convert to fraction form
    7,854.75/9,231.75 = 9,231.75/x
  3. Step 3: Cross multiply
    7,854.75x = 9,231.75 × 9,231.75
  4. Step 4: Simplify right side
    7,854.75x = 85,225,208.06
  5. Step 5: Solve for x
    x = 85,225,208.06/7,854.75
  6. Step 6: Final answer
    x = 10,850.15

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.