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Finding the Third Proportional to 79,320.94 and 121,493.25

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Solution

The third proportional to 79,320.94 and 121,493.25 is: 186,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320.94 : 121,493.25 = 121,493.25 : x
  2. Step 2: Convert to fraction form
    79,320.94/121,493.25 = 121,493.25/x
  3. Step 3: Cross multiply
    79,320.94x = 121,493.25 × 121,493.25
  4. Step 4: Simplify right side
    79,320.94x = 14,760,609,795.56
  5. Step 5: Solve for x
    x = 14,760,609,795.56/79,320.94
  6. Step 6: Final answer
    x = 186,087.18

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.