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Finding the Third Proportional to 27.13 and 58.94

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Solution

The third proportional to 27.13 and 58.94 is: 128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.13 : 58.94 = 58.94 : x
  2. Step 2: Convert to fraction form
    27.13/58.94 = 58.94/x
  3. Step 3: Cross multiply
    27.13x = 58.94 × 58.94
  4. Step 4: Simplify right side
    27.13x = 3,473.63
  5. Step 5: Solve for x
    x = 3,473.63/27.13
  6. Step 6: Final answer
    x = 128.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.