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Finding the Third Proportional to 114 and 242.63

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Solution

The third proportional to 114 and 242.63 is: 516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114 : 242.63 = 242.63 : x
  2. Step 2: Convert to fraction form
    114/242.63 = 242.63/x
  3. Step 3: Cross multiply
    114x = 242.63 × 242.63
  4. Step 4: Simplify right side
    114x = 58,866.89
  5. Step 5: Solve for x
    x = 58,866.89/114
  6. Step 6: Final answer
    x = 516.38

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.