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Finding the Third Proportional to 79,737.75 and 168,682.50

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Solution

The third proportional to 79,737.75 and 168,682.50 is: 356,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,737.75 : 168,682.50 = 168,682.50 : x
  2. Step 2: Convert to fraction form
    79,737.75/168,682.50 = 168,682.50/x
  3. Step 3: Cross multiply
    79,737.75x = 168,682.50 × 168,682.50
  4. Step 4: Simplify right side
    79,737.75x = 28,453,785,806.25
  5. Step 5: Solve for x
    x = 28,453,785,806.25/79,737.75
  6. Step 6: Final answer
    x = 356,842.10

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.