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Finding the Third Proportional to 993.38 and 2,089.13

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Solution

The third proportional to 993.38 and 2,089.13 is: 4,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993.38 : 2,089.13 = 2,089.13 : x
  2. Step 2: Convert to fraction form
    993.38/2,089.13 = 2,089.13/x
  3. Step 3: Cross multiply
    993.38x = 2,089.13 × 2,089.13
  4. Step 4: Simplify right side
    993.38x = 4,364,443.27
  5. Step 5: Solve for x
    x = 4,364,443.27/993.38
  6. Step 6: Final answer
    x = 4,393.55

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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.