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Finding the Third Proportional to 7,759 and 11,086.50

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Solution

The third proportional to 7,759 and 11,086.50 is: 15,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759 : 11,086.50 = 11,086.50 : x
  2. Step 2: Convert to fraction form
    7,759/11,086.50 = 11,086.50/x
  3. Step 3: Cross multiply
    7,759x = 11,086.50 × 11,086.50
  4. Step 4: Simplify right side
    7,759x = 122,910,482.25
  5. Step 5: Solve for x
    x = 122,910,482.25/7,759
  6. Step 6: Final answer
    x = 15,841.02

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.