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Finding the Third Proportional to 939.38 and 2,045.25

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Solution

The third proportional to 939.38 and 2,045.25 is: 4,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    939.38 : 2,045.25 = 2,045.25 : x
  2. Step 2: Convert to fraction form
    939.38/2,045.25 = 2,045.25/x
  3. Step 3: Cross multiply
    939.38x = 2,045.25 × 2,045.25
  4. Step 4: Simplify right side
    939.38x = 4,183,047.56
  5. Step 5: Solve for x
    x = 4,183,047.56/939.38
  6. Step 6: Final answer
    x = 4,453.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.