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Finding the Third Proportional to 7,145 and 8,441

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Solution

The third proportional to 7,145 and 8,441 is: 9,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145 : 8,441 = 8,441 : x
  2. Step 2: Convert to fraction form
    7,145/8,441 = 8,441/x
  3. Step 3: Cross multiply
    7,145x = 8,441 × 8,441
  4. Step 4: Simplify right side
    7,145x = 71,250,481
  5. Step 5: Solve for x
    x = 71,250,481/7,145
  6. Step 6: Final answer
    x = 9,972.08

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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.