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Finding the Third Proportional to 127.38 and 183.13

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Solution

The third proportional to 127.38 and 183.13 is: 263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127.38 : 183.13 = 183.13 : x
  2. Step 2: Convert to fraction form
    127.38/183.13 = 183.13/x
  3. Step 3: Cross multiply
    127.38x = 183.13 × 183.13
  4. Step 4: Simplify right side
    127.38x = 33,534.77
  5. Step 5: Solve for x
    x = 33,534.77/127.38
  6. Step 6: Final answer
    x = 263.28

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.