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Finding the Third Proportional to 334.50 and 425.75

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Solution

The third proportional to 334.50 and 425.75 is: 541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.50 : 425.75 = 425.75 : x
  2. Step 2: Convert to fraction form
    334.50/425.75 = 425.75/x
  3. Step 3: Cross multiply
    334.50x = 425.75 × 425.75
  4. Step 4: Simplify right side
    334.50x = 181,263.06
  5. Step 5: Solve for x
    x = 181,263.06/334.50
  6. Step 6: Final answer
    x = 541.89

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.