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Finding the Third Proportional to 994.13 and 2,161.88

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Solution

The third proportional to 994.13 and 2,161.88 is: 4,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.13 : 2,161.88 = 2,161.88 : x
  2. Step 2: Convert to fraction form
    994.13/2,161.88 = 2,161.88/x
  3. Step 3: Cross multiply
    994.13x = 2,161.88 × 2,161.88
  4. Step 4: Simplify right side
    994.13x = 4,673,703.52
  5. Step 5: Solve for x
    x = 4,673,703.52/994.13
  6. Step 6: Final answer
    x = 4,701.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.