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Finding the Third Proportional to 44 and 78.63

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Solution

The third proportional to 44 and 78.63 is: 140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44 : 78.63 = 78.63 : x
  2. Step 2: Convert to fraction form
    44/78.63 = 78.63/x
  3. Step 3: Cross multiply
    44x = 78.63 × 78.63
  4. Step 4: Simplify right side
    44x = 6,181.89
  5. Step 5: Solve for x
    x = 6,181.89/44
  6. Step 6: Final answer
    x = 140.50

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.