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Finding the Third Proportional to 122.06 and 247.50

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Solution

The third proportional to 122.06 and 247.50 is: 501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.06 : 247.50 = 247.50 : x
  2. Step 2: Convert to fraction form
    122.06/247.50 = 247.50/x
  3. Step 3: Cross multiply
    122.06x = 247.50 × 247.50
  4. Step 4: Simplify right side
    122.06x = 61,256.25
  5. Step 5: Solve for x
    x = 61,256.25/122.06
  6. Step 6: Final answer
    x = 501.84

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.