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Finding the Third Proportional to 3,709.55 and 7,832.95

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Solution

The third proportional to 3,709.55 and 7,832.95 is: 16,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.55 : 7,832.95 = 7,832.95 : x
  2. Step 2: Convert to fraction form
    3,709.55/7,832.95 = 7,832.95/x
  3. Step 3: Cross multiply
    3,709.55x = 7,832.95 × 7,832.95
  4. Step 4: Simplify right side
    3,709.55x = 61,355,154.66
  5. Step 5: Solve for x
    x = 61,355,154.66/3,709.55
  6. Step 6: Final answer
    x = 16,539.80

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.