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Finding the Third Proportional to 4,319.50 and 9,302

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Solution

The third proportional to 4,319.50 and 9,302 is: 20,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.50 : 9,302 = 9,302 : x
  2. Step 2: Convert to fraction form
    4,319.50/9,302 = 9,302/x
  3. Step 3: Cross multiply
    4,319.50x = 9,302 × 9,302
  4. Step 4: Simplify right side
    4,319.50x = 86,527,204
  5. Step 5: Solve for x
    x = 86,527,204/4,319.50
  6. Step 6: Final answer
    x = 20,031.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.