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Finding the Third Proportional to 682,468.50 and 1,070,493.75

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Solution

The third proportional to 682,468.50 and 1,070,493.75 is: 1,679,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,468.50 : 1,070,493.75 = 1,070,493.75 : x
  2. Step 2: Convert to fraction form
    682,468.50/1,070,493.75 = 1,070,493.75/x
  3. Step 3: Cross multiply
    682,468.50x = 1,070,493.75 × 1,070,493.75
  4. Step 4: Simplify right side
    682,468.50x = 1,145,956,868,789.06
  5. Step 5: Solve for x
    x = 1,145,956,868,789.06/682,468.50
  6. Step 6: Final answer
    x = 1,679,135.18

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.