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Finding the Third Proportional to 963.38 and 2,106.75

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Solution

The third proportional to 963.38 and 2,106.75 is: 4,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.38 : 2,106.75 = 2,106.75 : x
  2. Step 2: Convert to fraction form
    963.38/2,106.75 = 2,106.75/x
  3. Step 3: Cross multiply
    963.38x = 2,106.75 × 2,106.75
  4. Step 4: Simplify right side
    963.38x = 4,438,395.56
  5. Step 5: Solve for x
    x = 4,438,395.56/963.38
  6. Step 6: Final answer
    x = 4,607.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.