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Finding the Third Proportional to 28.54 and 62.07

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Solution

The third proportional to 28.54 and 62.07 is: 134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.54 : 62.07 = 62.07 : x
  2. Step 2: Convert to fraction form
    28.54/62.07 = 62.07/x
  3. Step 3: Cross multiply
    28.54x = 62.07 × 62.07
  4. Step 4: Simplify right side
    28.54x = 3,852.19
  5. Step 5: Solve for x
    x = 3,852.19/28.54
  6. Step 6: Final answer
    x = 134.99

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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.