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Finding the Third Proportional to 363,918 and 789,683

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Solution

The third proportional to 363,918 and 789,683 is: 1,713,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,918 : 789,683 = 789,683 : x
  2. Step 2: Convert to fraction form
    363,918/789,683 = 789,683/x
  3. Step 3: Cross multiply
    363,918x = 789,683 × 789,683
  4. Step 4: Simplify right side
    363,918x = 623,599,240,489
  5. Step 5: Solve for x
    x = 623,599,240,489/363,918
  6. Step 6: Final answer
    x = 1,713,570.75

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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.