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Finding the Third Proportional to 363,890.25 and 789,630.75

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Solution

The third proportional to 363,890.25 and 789,630.75 is: 1,713,474.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,890.25 : 789,630.75 = 789,630.75 : x
  2. Step 2: Convert to fraction form
    363,890.25/789,630.75 = 789,630.75/x
  3. Step 3: Cross multiply
    363,890.25x = 789,630.75 × 789,630.75
  4. Step 4: Simplify right side
    363,890.25x = 623,516,721,345.56
  5. Step 5: Solve for x
    x = 623,516,721,345.56/363,890.25
  6. Step 6: Final answer
    x = 1,713,474.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.