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Finding the Third Proportional to 28.88 and 62.25

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Solution

The third proportional to 28.88 and 62.25 is: 134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.88 : 62.25 = 62.25 : x
  2. Step 2: Convert to fraction form
    28.88/62.25 = 62.25/x
  3. Step 3: Cross multiply
    28.88x = 62.25 × 62.25
  4. Step 4: Simplify right side
    28.88x = 3,875.06
  5. Step 5: Solve for x
    x = 3,875.06/28.88
  6. Step 6: Final answer
    x = 134.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.