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Finding the Third Proportional to 200,812.50 and 267,720.75

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Solution

The third proportional to 200,812.50 and 267,720.75 is: 356,922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,812.50 : 267,720.75 = 267,720.75 : x
  2. Step 2: Convert to fraction form
    200,812.50/267,720.75 = 267,720.75/x
  3. Step 3: Cross multiply
    200,812.50x = 267,720.75 × 267,720.75
  4. Step 4: Simplify right side
    200,812.50x = 71,674,399,980.56
  5. Step 5: Solve for x
    x = 71,674,399,980.56/200,812.50
  6. Step 6: Final answer
    x = 356,922.00

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.