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Finding the Third Proportional to 6,810 and 9,636.75

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Solution

The third proportional to 6,810 and 9,636.75 is: 13,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810 : 9,636.75 = 9,636.75 : x
  2. Step 2: Convert to fraction form
    6,810/9,636.75 = 9,636.75/x
  3. Step 3: Cross multiply
    6,810x = 9,636.75 × 9,636.75
  4. Step 4: Simplify right side
    6,810x = 92,866,950.56
  5. Step 5: Solve for x
    x = 92,866,950.56/6,810
  6. Step 6: Final answer
    x = 13,636.85

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.