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Finding the Third Proportional to 376,989.75 and 558,101.25

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Solution

The third proportional to 376,989.75 and 558,101.25 is: 826,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,989.75 : 558,101.25 = 558,101.25 : x
  2. Step 2: Convert to fraction form
    376,989.75/558,101.25 = 558,101.25/x
  3. Step 3: Cross multiply
    376,989.75x = 558,101.25 × 558,101.25
  4. Step 4: Simplify right side
    376,989.75x = 311,477,005,251.56
  5. Step 5: Solve for x
    x = 311,477,005,251.56/376,989.75
  6. Step 6: Final answer
    x = 826,221.42

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.