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Finding the Third Proportional to 122,642.86 and 179,926.31

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Solution

The third proportional to 122,642.86 and 179,926.31 is: 263,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,642.86 : 179,926.31 = 179,926.31 : x
  2. Step 2: Convert to fraction form
    122,642.86/179,926.31 = 179,926.31/x
  3. Step 3: Cross multiply
    122,642.86x = 179,926.31 × 179,926.31
  4. Step 4: Simplify right side
    122,642.86x = 32,373,477,929.85
  5. Step 5: Solve for x
    x = 32,373,477,929.85/122,642.86
  6. Step 6: Final answer
    x = 263,965.45

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.