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Finding the Third Proportional to 176 and 318.50

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Solution

The third proportional to 176 and 318.50 is: 576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176 : 318.50 = 318.50 : x
  2. Step 2: Convert to fraction form
    176/318.50 = 318.50/x
  3. Step 3: Cross multiply
    176x = 318.50 × 318.50
  4. Step 4: Simplify right side
    176x = 101,442.25
  5. Step 5: Solve for x
    x = 101,442.25/176
  6. Step 6: Final answer
    x = 576.38

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.