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Finding the Third Proportional to 6,669.66 and 9,660.19

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Solution

The third proportional to 6,669.66 and 9,660.19 is: 13,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.66 : 9,660.19 = 9,660.19 : x
  2. Step 2: Convert to fraction form
    6,669.66/9,660.19 = 9,660.19/x
  3. Step 3: Cross multiply
    6,669.66x = 9,660.19 × 9,660.19
  4. Step 4: Simplify right side
    6,669.66x = 93,319,222.54
  5. Step 5: Solve for x
    x = 93,319,222.54/6,669.66
  6. Step 6: Final answer
    x = 13,991.61

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.