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Finding the Third Proportional to 2,705.91 and 5,624.44

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Solution

The third proportional to 2,705.91 and 5,624.44 is: 11,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.91 : 5,624.44 = 5,624.44 : x
  2. Step 2: Convert to fraction form
    2,705.91/5,624.44 = 5,624.44/x
  3. Step 3: Cross multiply
    2,705.91x = 5,624.44 × 5,624.44
  4. Step 4: Simplify right side
    2,705.91x = 31,634,297.19
  5. Step 5: Solve for x
    x = 31,634,297.19/2,705.91
  6. Step 6: Final answer
    x = 11,690.83

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.