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Finding the Third Proportional to 292.25 and 401.88

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Solution

The third proportional to 292.25 and 401.88 is: 552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.25 : 401.88 = 401.88 : x
  2. Step 2: Convert to fraction form
    292.25/401.88 = 401.88/x
  3. Step 3: Cross multiply
    292.25x = 401.88 × 401.88
  4. Step 4: Simplify right side
    292.25x = 161,503.52
  5. Step 5: Solve for x
    x = 161,503.52/292.25
  6. Step 6: Final answer
    x = 552.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.