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Finding the Third Proportional to 541,839 and 843,781.50

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Solution

The third proportional to 541,839 and 843,781.50 is: 1,313,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,839 : 843,781.50 = 843,781.50 : x
  2. Step 2: Convert to fraction form
    541,839/843,781.50 = 843,781.50/x
  3. Step 3: Cross multiply
    541,839x = 843,781.50 × 843,781.50
  4. Step 4: Simplify right side
    541,839x = 711,967,219,742.25
  5. Step 5: Solve for x
    x = 711,967,219,742.25/541,839
  6. Step 6: Final answer
    x = 1,313,982.97

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.