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Finding the Third Proportional to 79,994.67 and 171,374.48

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Solution

The third proportional to 79,994.67 and 171,374.48 is: 367,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,994.67 : 171,374.48 = 171,374.48 : x
  2. Step 2: Convert to fraction form
    79,994.67/171,374.48 = 171,374.48/x
  3. Step 3: Cross multiply
    79,994.67x = 171,374.48 × 171,374.48
  4. Step 4: Simplify right side
    79,994.67x = 29,369,213,894.80
  5. Step 5: Solve for x
    x = 29,369,213,894.80/79,994.67
  6. Step 6: Final answer
    x = 367,139.63

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.