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Finding the Third Proportional to 152 and 200.75

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Solution

The third proportional to 152 and 200.75 is: 265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152 : 200.75 = 200.75 : x
  2. Step 2: Convert to fraction form
    152/200.75 = 200.75/x
  3. Step 3: Cross multiply
    152x = 200.75 × 200.75
  4. Step 4: Simplify right side
    152x = 40,300.56
  5. Step 5: Solve for x
    x = 40,300.56/152
  6. Step 6: Final answer
    x = 265.14

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.