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Finding the Third Proportional to 561,278.25 and 864,060.75

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Solution

The third proportional to 561,278.25 and 864,060.75 is: 1,330,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,278.25 : 864,060.75 = 864,060.75 : x
  2. Step 2: Convert to fraction form
    561,278.25/864,060.75 = 864,060.75/x
  3. Step 3: Cross multiply
    561,278.25x = 864,060.75 × 864,060.75
  4. Step 4: Simplify right side
    561,278.25x = 746,600,979,690.56
  5. Step 5: Solve for x
    x = 746,600,979,690.56/561,278.25
  6. Step 6: Final answer
    x = 1,330,179.78

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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.