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Finding the Third Proportional to 157.88 and 294.38

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Solution

The third proportional to 157.88 and 294.38 is: 548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.88 : 294.38 = 294.38 : x
  2. Step 2: Convert to fraction form
    157.88/294.38 = 294.38/x
  3. Step 3: Cross multiply
    157.88x = 294.38 × 294.38
  4. Step 4: Simplify right side
    157.88x = 86,656.64
  5. Step 5: Solve for x
    x = 86,656.64/157.88
  6. Step 6: Final answer
    x = 548.89

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.