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Finding the Third Proportional to 92.50 and 177.25

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Solution

The third proportional to 92.50 and 177.25 is: 339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.50 : 177.25 = 177.25 : x
  2. Step 2: Convert to fraction form
    92.50/177.25 = 177.25/x
  3. Step 3: Cross multiply
    92.50x = 177.25 × 177.25
  4. Step 4: Simplify right side
    92.50x = 31,417.56
  5. Step 5: Solve for x
    x = 31,417.56/92.50
  6. Step 6: Final answer
    x = 339.65

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.