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Finding the Third Proportional to 4,329 and 8,131.50

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Solution

The third proportional to 4,329 and 8,131.50 is: 15,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329 : 8,131.50 = 8,131.50 : x
  2. Step 2: Convert to fraction form
    4,329/8,131.50 = 8,131.50/x
  3. Step 3: Cross multiply
    4,329x = 8,131.50 × 8,131.50
  4. Step 4: Simplify right side
    4,329x = 66,121,292.25
  5. Step 5: Solve for x
    x = 66,121,292.25/4,329
  6. Step 6: Final answer
    x = 15,274.03

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.