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Finding the Third Proportional to 91,819.83 and 122,659.95

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Solution

The third proportional to 91,819.83 and 122,659.95 is: 163,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,819.83 : 122,659.95 = 122,659.95 : x
  2. Step 2: Convert to fraction form
    91,819.83/122,659.95 = 122,659.95/x
  3. Step 3: Cross multiply
    91,819.83x = 122,659.95 × 122,659.95
  4. Step 4: Simplify right side
    91,819.83x = 15,045,462,184.07
  5. Step 5: Solve for x
    x = 15,045,462,184.07/91,819.83
  6. Step 6: Final answer
    x = 163,858.53

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.