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Finding the Third Proportional to 8,759 and 11,801.25

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Solution

The third proportional to 8,759 and 11,801.25 is: 15,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759 : 11,801.25 = 11,801.25 : x
  2. Step 2: Convert to fraction form
    8,759/11,801.25 = 11,801.25/x
  3. Step 3: Cross multiply
    8,759x = 11,801.25 × 11,801.25
  4. Step 4: Simplify right side
    8,759x = 139,269,501.56
  5. Step 5: Solve for x
    x = 139,269,501.56/8,759
  6. Step 6: Final answer
    x = 15,900.16

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.