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Finding the Third Proportional to 402.25 and 601.88

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Solution

The third proportional to 402.25 and 601.88 is: 900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    402.25 : 601.88 = 601.88 : x
  2. Step 2: Convert to fraction form
    402.25/601.88 = 601.88/x
  3. Step 3: Cross multiply
    402.25x = 601.88 × 601.88
  4. Step 4: Simplify right side
    402.25x = 362,253.52
  5. Step 5: Solve for x
    x = 362,253.52/402.25
  6. Step 6: Final answer
    x = 900.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.