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Finding the Third Proportional to 550,642.50 and 1,219,200.75

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Solution

The third proportional to 550,642.50 and 1,219,200.75 is: 2,699,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,642.50 : 1,219,200.75 = 1,219,200.75 : x
  2. Step 2: Convert to fraction form
    550,642.50/1,219,200.75 = 1,219,200.75/x
  3. Step 3: Cross multiply
    550,642.50x = 1,219,200.75 × 1,219,200.75
  4. Step 4: Simplify right side
    550,642.50x = 1,486,450,468,800.56
  5. Step 5: Solve for x
    x = 1,486,450,468,800.56/550,642.50
  6. Step 6: Final answer
    x = 2,699,483.73

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.