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Finding the Third Proportional to 114.56 and 235.88

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Solution

The third proportional to 114.56 and 235.88 is: 485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.56 : 235.88 = 235.88 : x
  2. Step 2: Convert to fraction form
    114.56/235.88 = 235.88/x
  3. Step 3: Cross multiply
    114.56x = 235.88 × 235.88
  4. Step 4: Simplify right side
    114.56x = 55,637.02
  5. Step 5: Solve for x
    x = 55,637.02/114.56
  6. Step 6: Final answer
    x = 485.65

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.