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Finding the Third Proportional to 1,067,142.75 and 1,640,076.75

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Solution

The third proportional to 1,067,142.75 and 1,640,076.75 is: 2,520,610.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,142.75 : 1,640,076.75 = 1,640,076.75 : x
  2. Step 2: Convert to fraction form
    1,067,142.75/1,640,076.75 = 1,640,076.75/x
  3. Step 3: Cross multiply
    1,067,142.75x = 1,640,076.75 × 1,640,076.75
  4. Step 4: Simplify right side
    1,067,142.75x = 2,689,851,745,890.56
  5. Step 5: Solve for x
    x = 2,689,851,745,890.56/1,067,142.75
  6. Step 6: Final answer
    x = 2,520,610.99

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.