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Finding the Third Proportional to 3,309.50 and 6,535

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Solution

The third proportional to 3,309.50 and 6,535 is: 12,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.50 : 6,535 = 6,535 : x
  2. Step 2: Convert to fraction form
    3,309.50/6,535 = 6,535/x
  3. Step 3: Cross multiply
    3,309.50x = 6,535 × 6,535
  4. Step 4: Simplify right side
    3,309.50x = 42,706,225
  5. Step 5: Solve for x
    x = 42,706,225/3,309.50
  6. Step 6: Final answer
    x = 12,904.13

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.