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Finding the Third Proportional to 6,257.50 and 13,406

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Solution

The third proportional to 6,257.50 and 13,406 is: 28,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.50 : 13,406 = 13,406 : x
  2. Step 2: Convert to fraction form
    6,257.50/13,406 = 13,406/x
  3. Step 3: Cross multiply
    6,257.50x = 13,406 × 13,406
  4. Step 4: Simplify right side
    6,257.50x = 179,720,836
  5. Step 5: Solve for x
    x = 179,720,836/6,257.50
  6. Step 6: Final answer
    x = 28,720.87

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.