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Finding the Third Proportional to 454,079 and 681,119

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Solution

The third proportional to 454,079 and 681,119 is: 1,021,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,079 : 681,119 = 681,119 : x
  2. Step 2: Convert to fraction form
    454,079/681,119 = 681,119/x
  3. Step 3: Cross multiply
    454,079x = 681,119 × 681,119
  4. Step 4: Simplify right side
    454,079x = 463,923,092,161
  5. Step 5: Solve for x
    x = 463,923,092,161/454,079
  6. Step 6: Final answer
    x = 1,021,679.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.