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Finding the Third Proportional to 143,862.75 and 220,173.75

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Solution

The third proportional to 143,862.75 and 220,173.75 is: 336,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,862.75 : 220,173.75 = 220,173.75 : x
  2. Step 2: Convert to fraction form
    143,862.75/220,173.75 = 220,173.75/x
  3. Step 3: Cross multiply
    143,862.75x = 220,173.75 × 220,173.75
  4. Step 4: Simplify right side
    143,862.75x = 48,476,480,189.06
  5. Step 5: Solve for x
    x = 48,476,480,189.06/143,862.75
  6. Step 6: Final answer
    x = 336,963.39

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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.