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Finding the Third Proportional to 7,911 and 17,253

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Solution

The third proportional to 7,911 and 17,253 is: 37,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911 : 17,253 = 17,253 : x
  2. Step 2: Convert to fraction form
    7,911/17,253 = 17,253/x
  3. Step 3: Cross multiply
    7,911x = 17,253 × 17,253
  4. Step 4: Simplify right side
    7,911x = 297,666,009
  5. Step 5: Solve for x
    x = 297,666,009/7,911
  6. Step 6: Final answer
    x = 37,626.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.