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Finding the Third Proportional to 418,375.55 and 858,803.34

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Solution

The third proportional to 418,375.55 and 858,803.34 is: 1,762,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,375.55 : 858,803.34 = 858,803.34 : x
  2. Step 2: Convert to fraction form
    418,375.55/858,803.34 = 858,803.34/x
  3. Step 3: Cross multiply
    418,375.55x = 858,803.34 × 858,803.34
  4. Step 4: Simplify right side
    418,375.55x = 737,543,183,236.18
  5. Step 5: Solve for x
    x = 737,543,183,236.18/418,375.55
  6. Step 6: Final answer
    x = 1,762,873.54

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.