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Finding the Third Proportional to 79,415.44 and 117,277.88

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Solution

The third proportional to 79,415.44 and 117,277.88 is: 173,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,415.44 : 117,277.88 = 117,277.88 : x
  2. Step 2: Convert to fraction form
    79,415.44/117,277.88 = 117,277.88/x
  3. Step 3: Cross multiply
    79,415.44x = 117,277.88 × 117,277.88
  4. Step 4: Simplify right side
    79,415.44x = 13,754,099,964.52
  5. Step 5: Solve for x
    x = 13,754,099,964.52/79,415.44
  6. Step 6: Final answer
    x = 173,191.77

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.