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Finding the Third Proportional to 143,346.75 and 200,493.75

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Solution

The third proportional to 143,346.75 and 200,493.75 is: 280,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,346.75 : 200,493.75 = 200,493.75 : x
  2. Step 2: Convert to fraction form
    143,346.75/200,493.75 = 200,493.75/x
  3. Step 3: Cross multiply
    143,346.75x = 200,493.75 × 200,493.75
  4. Step 4: Simplify right side
    143,346.75x = 40,197,743,789.06
  5. Step 5: Solve for x
    x = 40,197,743,789.06/143,346.75
  6. Step 6: Final answer
    x = 280,423.13

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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.