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Finding the Third Proportional to 663,397.59 and 994,056.05

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Solution

The third proportional to 663,397.59 and 994,056.05 is: 1,489,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,397.59 : 994,056.05 = 994,056.05 : x
  2. Step 2: Convert to fraction form
    663,397.59/994,056.05 = 994,056.05/x
  3. Step 3: Cross multiply
    663,397.59x = 994,056.05 × 994,056.05
  4. Step 4: Simplify right side
    663,397.59x = 988,147,424,328.75
  5. Step 5: Solve for x
    x = 988,147,424,328.75/663,397.59
  6. Step 6: Final answer
    x = 1,489,525.19

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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.