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Finding the Third Proportional to 688,189.50 and 1,619,363.25

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Solution

The third proportional to 688,189.50 and 1,619,363.25 is: 3,810,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,189.50 : 1,619,363.25 = 1,619,363.25 : x
  2. Step 2: Convert to fraction form
    688,189.50/1,619,363.25 = 1,619,363.25/x
  3. Step 3: Cross multiply
    688,189.50x = 1,619,363.25 × 1,619,363.25
  4. Step 4: Simplify right side
    688,189.50x = 2,622,337,335,450.56
  5. Step 5: Solve for x
    x = 2,622,337,335,450.56/688,189.50
  6. Step 6: Final answer
    x = 3,810,487.28

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.