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Finding the Third Proportional to 75.94 and 113.06

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Solution

The third proportional to 75.94 and 113.06 is: 168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.94 : 113.06 = 113.06 : x
  2. Step 2: Convert to fraction form
    75.94/113.06 = 113.06/x
  3. Step 3: Cross multiply
    75.94x = 113.06 × 113.06
  4. Step 4: Simplify right side
    75.94x = 12,783.13
  5. Step 5: Solve for x
    x = 12,783.13/75.94
  6. Step 6: Final answer
    x = 168.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.