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Finding the Third Proportional to 176.08 and 342.67

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Solution

The third proportional to 176.08 and 342.67 is: 666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.08 : 342.67 = 342.67 : x
  2. Step 2: Convert to fraction form
    176.08/342.67 = 342.67/x
  3. Step 3: Cross multiply
    176.08x = 342.67 × 342.67
  4. Step 4: Simplify right side
    176.08x = 117,421.34
  5. Step 5: Solve for x
    x = 117,421.34/176.08
  6. Step 6: Final answer
    x = 666.86

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.