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Finding the Third Proportional to 44.06 and 70.78

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Solution

The third proportional to 44.06 and 70.78 is: 113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.06 : 70.78 = 70.78 : x
  2. Step 2: Convert to fraction form
    44.06/70.78 = 70.78/x
  3. Step 3: Cross multiply
    44.06x = 70.78 × 70.78
  4. Step 4: Simplify right side
    44.06x = 5,009.99
  5. Step 5: Solve for x
    x = 5,009.99/44.06
  6. Step 6: Final answer
    x = 113.70

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.