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Finding the Third Proportional to 178 and 304

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Solution

The third proportional to 178 and 304 is: 519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178 : 304 = 304 : x
  2. Step 2: Convert to fraction form
    178/304 = 304/x
  3. Step 3: Cross multiply
    178x = 304 × 304
  4. Step 4: Simplify right side
    178x = 92,416
  5. Step 5: Solve for x
    x = 92,416/178
  6. Step 6: Final answer
    x = 519.19

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.