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Finding the Third Proportional to 5,135 and 10,591

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Solution

The third proportional to 5,135 and 10,591 is: 21,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135 : 10,591 = 10,591 : x
  2. Step 2: Convert to fraction form
    5,135/10,591 = 10,591/x
  3. Step 3: Cross multiply
    5,135x = 10,591 × 10,591
  4. Step 4: Simplify right side
    5,135x = 112,169,281
  5. Step 5: Solve for x
    x = 112,169,281/5,135
  6. Step 6: Final answer
    x = 21,844.07

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.