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Finding the Third Proportional to 116.63 and 251.25

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Solution

The third proportional to 116.63 and 251.25 is: 541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.63 : 251.25 = 251.25 : x
  2. Step 2: Convert to fraction form
    116.63/251.25 = 251.25/x
  3. Step 3: Cross multiply
    116.63x = 251.25 × 251.25
  4. Step 4: Simplify right side
    116.63x = 63,126.56
  5. Step 5: Solve for x
    x = 63,126.56/116.63
  6. Step 6: Final answer
    x = 541.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.