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Finding the Third Proportional to 3,323.53 and 6,988.78

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Solution

The third proportional to 3,323.53 and 6,988.78 is: 14,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.53 : 6,988.78 = 6,988.78 : x
  2. Step 2: Convert to fraction form
    3,323.53/6,988.78 = 6,988.78/x
  3. Step 3: Cross multiply
    3,323.53x = 6,988.78 × 6,988.78
  4. Step 4: Simplify right side
    3,323.53x = 48,843,063.36
  5. Step 5: Solve for x
    x = 48,843,063.36/3,323.53
  6. Step 6: Final answer
    x = 14,696.13

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.