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Finding the Third Proportional to 1,419,456.50 and 2,128,663

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Solution

The third proportional to 1,419,456.50 and 2,128,663 is: 3,192,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,456.50 : 2,128,663 = 2,128,663 : x
  2. Step 2: Convert to fraction form
    1,419,456.50/2,128,663 = 2,128,663/x
  3. Step 3: Cross multiply
    1,419,456.50x = 2,128,663 × 2,128,663
  4. Step 4: Simplify right side
    1,419,456.50x = 4,531,206,167,569
  5. Step 5: Solve for x
    x = 4,531,206,167,569/1,419,456.50
  6. Step 6: Final answer
    x = 3,192,212.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.