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Finding the Third Proportional to 875,245.50 and 1,281,642.75

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Solution

The third proportional to 875,245.50 and 1,281,642.75 is: 1,876,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,245.50 : 1,281,642.75 = 1,281,642.75 : x
  2. Step 2: Convert to fraction form
    875,245.50/1,281,642.75 = 1,281,642.75/x
  3. Step 3: Cross multiply
    875,245.50x = 1,281,642.75 × 1,281,642.75
  4. Step 4: Simplify right side
    875,245.50x = 1,642,608,138,627.56
  5. Step 5: Solve for x
    x = 1,642,608,138,627.56/875,245.50
  6. Step 6: Final answer
    x = 1,876,739.88

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.