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Finding the Third Proportional to 1,083,686.75 and 1,687,579.75

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Solution

The third proportional to 1,083,686.75 and 1,687,579.75 is: 2,627,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,686.75 : 1,687,579.75 = 1,687,579.75 : x
  2. Step 2: Convert to fraction form
    1,083,686.75/1,687,579.75 = 1,687,579.75/x
  3. Step 3: Cross multiply
    1,083,686.75x = 1,687,579.75 × 1,687,579.75
  4. Step 4: Simplify right side
    1,083,686.75x = 2,847,925,412,610.06
  5. Step 5: Solve for x
    x = 2,847,925,412,610.06/1,083,686.75
  6. Step 6: Final answer
    x = 2,627,996.89

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.