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Finding the Third Proportional to 1,981.13 and 3,092.34

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Solution

The third proportional to 1,981.13 and 3,092.34 is: 4,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.13 : 3,092.34 = 3,092.34 : x
  2. Step 2: Convert to fraction form
    1,981.13/3,092.34 = 3,092.34/x
  3. Step 3: Cross multiply
    1,981.13x = 3,092.34 × 3,092.34
  4. Step 4: Simplify right side
    1,981.13x = 9,562,589.87
  5. Step 5: Solve for x
    x = 9,562,589.87/1,981.13
  6. Step 6: Final answer
    x = 4,826.85

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.