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Finding the Third Proportional to 80,682.75 and 124,426.13

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Solution

The third proportional to 80,682.75 and 124,426.13 is: 191,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,682.75 : 124,426.13 = 124,426.13 : x
  2. Step 2: Convert to fraction form
    80,682.75/124,426.13 = 124,426.13/x
  3. Step 3: Cross multiply
    80,682.75x = 124,426.13 × 124,426.13
  4. Step 4: Simplify right side
    80,682.75x = 15,481,860,582.52
  5. Step 5: Solve for x
    x = 15,481,860,582.52/80,682.75
  6. Step 6: Final answer
    x = 191,885.63

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.