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Finding the Third Proportional to 394,303.50 and 861,579

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Solution

The third proportional to 394,303.50 and 861,579 is: 1,882,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,303.50 : 861,579 = 861,579 : x
  2. Step 2: Convert to fraction form
    394,303.50/861,579 = 861,579/x
  3. Step 3: Cross multiply
    394,303.50x = 861,579 × 861,579
  4. Step 4: Simplify right side
    394,303.50x = 742,318,373,241
  5. Step 5: Solve for x
    x = 742,318,373,241/394,303.50
  6. Step 6: Final answer
    x = 1,882,606.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.