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Finding the Third Proportional to 682,242.75 and 1,447,665.75

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Solution

The third proportional to 682,242.75 and 1,447,665.75 is: 3,071,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,242.75 : 1,447,665.75 = 1,447,665.75 : x
  2. Step 2: Convert to fraction form
    682,242.75/1,447,665.75 = 1,447,665.75/x
  3. Step 3: Cross multiply
    682,242.75x = 1,447,665.75 × 1,447,665.75
  4. Step 4: Simplify right side
    682,242.75x = 2,095,736,123,723.06
  5. Step 5: Solve for x
    x = 2,095,736,123,723.06/682,242.75
  6. Step 6: Final answer
    x = 3,071,833.48

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.