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Finding the Third Proportional to 663,403.50 and 994,062.38

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Solution

The third proportional to 663,403.50 and 994,062.38 is: 1,489,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,403.50 : 994,062.38 = 994,062.38 : x
  2. Step 2: Convert to fraction form
    663,403.50/994,062.38 = 994,062.38/x
  3. Step 3: Cross multiply
    663,403.50x = 994,062.38 × 994,062.38
  4. Step 4: Simplify right side
    663,403.50x = 988,160,005,390.64
  5. Step 5: Solve for x
    x = 988,160,005,390.64/663,403.50
  6. Step 6: Final answer
    x = 1,489,530.89

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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.