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Finding the Third Proportional to 936.84 and 1,904.06

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Solution

The third proportional to 936.84 and 1,904.06 is: 3,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.84 : 1,904.06 = 1,904.06 : x
  2. Step 2: Convert to fraction form
    936.84/1,904.06 = 1,904.06/x
  3. Step 3: Cross multiply
    936.84x = 1,904.06 × 1,904.06
  4. Step 4: Simplify right side
    936.84x = 3,625,454.00
  5. Step 5: Solve for x
    x = 3,625,454.00/936.84
  6. Step 6: Final answer
    x = 3,869.86

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.