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Finding the Third Proportional to 79,800.19 and 171,360.56

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Solution

The third proportional to 79,800.19 and 171,360.56 is: 367,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,800.19 : 171,360.56 = 171,360.56 : x
  2. Step 2: Convert to fraction form
    79,800.19/171,360.56 = 171,360.56/x
  3. Step 3: Cross multiply
    79,800.19x = 171,360.56 × 171,360.56
  4. Step 4: Simplify right side
    79,800.19x = 29,364,442,380.32
  5. Step 5: Solve for x
    x = 29,364,442,380.32/79,800.19
  6. Step 6: Final answer
    x = 367,974.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.