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Finding the Third Proportional to 3,256.88 and 4,890.38

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Solution

The third proportional to 3,256.88 and 4,890.38 is: 7,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.88 : 4,890.38 = 4,890.38 : x
  2. Step 2: Convert to fraction form
    3,256.88/4,890.38 = 4,890.38/x
  3. Step 3: Cross multiply
    3,256.88x = 4,890.38 × 4,890.38
  4. Step 4: Simplify right side
    3,256.88x = 23,915,767.64
  5. Step 5: Solve for x
    x = 23,915,767.64/3,256.88
  6. Step 6: Final answer
    x = 7,343.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.