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Finding the Third Proportional to 195.56 and 292.31

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Solution

The third proportional to 195.56 and 292.31 is: 436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.56 : 292.31 = 292.31 : x
  2. Step 2: Convert to fraction form
    195.56/292.31 = 292.31/x
  3. Step 3: Cross multiply
    195.56x = 292.31 × 292.31
  4. Step 4: Simplify right side
    195.56x = 85,446.60
  5. Step 5: Solve for x
    x = 85,446.60/195.56
  6. Step 6: Final answer
    x = 436.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.