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Finding the Third Proportional to 3,736.13 and 7,859.53

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Solution

The third proportional to 3,736.13 and 7,859.53 is: 16,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.13 : 7,859.53 = 7,859.53 : x
  2. Step 2: Convert to fraction form
    3,736.13/7,859.53 = 7,859.53/x
  3. Step 3: Cross multiply
    3,736.13x = 7,859.53 × 7,859.53
  4. Step 4: Simplify right side
    3,736.13x = 61,772,231.47
  5. Step 5: Solve for x
    x = 61,772,231.47/3,736.13
  6. Step 6: Final answer
    x = 16,533.77

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.