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Finding the Third Proportional to 534,960.38 and 831,006.56

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Solution

The third proportional to 534,960.38 and 831,006.56 is: 1,290,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,960.38 : 831,006.56 = 831,006.56 : x
  2. Step 2: Convert to fraction form
    534,960.38/831,006.56 = 831,006.56/x
  3. Step 3: Cross multiply
    534,960.38x = 831,006.56 × 831,006.56
  4. Step 4: Simplify right side
    534,960.38x = 690,571,906,918.07
  5. Step 5: Solve for x
    x = 690,571,906,918.07/534,960.38
  6. Step 6: Final answer
    x = 1,290,884.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.