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Finding the Third Proportional to 7,981.03 and 11,739.94

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Solution

The third proportional to 7,981.03 and 11,739.94 is: 17,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.03 : 11,739.94 = 11,739.94 : x
  2. Step 2: Convert to fraction form
    7,981.03/11,739.94 = 11,739.94/x
  3. Step 3: Cross multiply
    7,981.03x = 11,739.94 × 11,739.94
  4. Step 4: Simplify right side
    7,981.03x = 137,826,132.50
  5. Step 5: Solve for x
    x = 137,826,132.50/7,981.03
  6. Step 6: Final answer
    x = 17,269.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.