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Finding the Third Proportional to 143,916.75 and 201,305.25

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Solution

The third proportional to 143,916.75 and 201,305.25 is: 281,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,916.75 : 201,305.25 = 201,305.25 : x
  2. Step 2: Convert to fraction form
    143,916.75/201,305.25 = 201,305.25/x
  3. Step 3: Cross multiply
    143,916.75x = 201,305.25 × 201,305.25
  4. Step 4: Simplify right side
    143,916.75x = 40,523,803,677.56
  5. Step 5: Solve for x
    x = 40,523,803,677.56/143,916.75
  6. Step 6: Final answer
    x = 281,578.09

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.