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Finding the Third Proportional to 755,817.75 and 1,155,687.75

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Solution

The third proportional to 755,817.75 and 1,155,687.75 is: 1,767,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,817.75 : 1,155,687.75 = 1,155,687.75 : x
  2. Step 2: Convert to fraction form
    755,817.75/1,155,687.75 = 1,155,687.75/x
  3. Step 3: Cross multiply
    755,817.75x = 1,155,687.75 × 1,155,687.75
  4. Step 4: Simplify right side
    755,817.75x = 1,335,614,175,500.06
  5. Step 5: Solve for x
    x = 1,335,614,175,500.06/755,817.75
  6. Step 6: Final answer
    x = 1,767,111.42

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.