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Finding the Third Proportional to 393,834.38 and 843,711.19

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Solution

The third proportional to 393,834.38 and 843,711.19 is: 1,807,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,834.38 : 843,711.19 = 843,711.19 : x
  2. Step 2: Convert to fraction form
    393,834.38/843,711.19 = 843,711.19/x
  3. Step 3: Cross multiply
    393,834.38x = 843,711.19 × 843,711.19
  4. Step 4: Simplify right side
    393,834.38x = 711,848,567,912.66
  5. Step 5: Solve for x
    x = 711,848,567,912.66/393,834.38
  6. Step 6: Final answer
    x = 1,807,482.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.