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Finding the Third Proportional to 177.33 and 260.02

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Solution

The third proportional to 177.33 and 260.02 is: 381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.33 : 260.02 = 260.02 : x
  2. Step 2: Convert to fraction form
    177.33/260.02 = 260.02/x
  3. Step 3: Cross multiply
    177.33x = 260.02 × 260.02
  4. Step 4: Simplify right side
    177.33x = 67,608.13
  5. Step 5: Solve for x
    x = 67,608.13/177.33
  6. Step 6: Final answer
    x = 381.26

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.