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Finding the Third Proportional to 934.50 and 2,020.69

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Solution

The third proportional to 934.50 and 2,020.69 is: 4,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.50 : 2,020.69 = 2,020.69 : x
  2. Step 2: Convert to fraction form
    934.50/2,020.69 = 2,020.69/x
  3. Step 3: Cross multiply
    934.50x = 2,020.69 × 2,020.69
  4. Step 4: Simplify right side
    934.50x = 4,083,177.97
  5. Step 5: Solve for x
    x = 4,083,177.97/934.50
  6. Step 6: Final answer
    x = 4,369.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.