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Finding the Third Proportional to 200.75 and 471.50

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Solution

The third proportional to 200.75 and 471.50 is: 1,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.75 : 471.50 = 471.50 : x
  2. Step 2: Convert to fraction form
    200.75/471.50 = 471.50/x
  3. Step 3: Cross multiply
    200.75x = 471.50 × 471.50
  4. Step 4: Simplify right side
    200.75x = 222,312.25
  5. Step 5: Solve for x
    x = 222,312.25/200.75
  6. Step 6: Final answer
    x = 1,107.41

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.