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Finding the Third Proportional to 153.98 and 336.66

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Solution

The third proportional to 153.98 and 336.66 is: 736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.98 : 336.66 = 336.66 : x
  2. Step 2: Convert to fraction form
    153.98/336.66 = 336.66/x
  3. Step 3: Cross multiply
    153.98x = 336.66 × 336.66
  4. Step 4: Simplify right side
    153.98x = 113,337.43
  5. Step 5: Solve for x
    x = 113,337.43/153.98
  6. Step 6: Final answer
    x = 736.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.