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Finding the Third Proportional to 3,540 and 6,283.50

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Solution

The third proportional to 3,540 and 6,283.50 is: 11,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540 : 6,283.50 = 6,283.50 : x
  2. Step 2: Convert to fraction form
    3,540/6,283.50 = 6,283.50/x
  3. Step 3: Cross multiply
    3,540x = 6,283.50 × 6,283.50
  4. Step 4: Simplify right side
    3,540x = 39,482,372.25
  5. Step 5: Solve for x
    x = 39,482,372.25/3,540
  6. Step 6: Final answer
    x = 11,153.21

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.