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Finding the Third Proportional to 3,113.44 and 7,187.06

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Solution

The third proportional to 3,113.44 and 7,187.06 is: 16,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.44 : 7,187.06 = 7,187.06 : x
  2. Step 2: Convert to fraction form
    3,113.44/7,187.06 = 7,187.06/x
  3. Step 3: Cross multiply
    3,113.44x = 7,187.06 × 7,187.06
  4. Step 4: Simplify right side
    3,113.44x = 51,653,867.38
  5. Step 5: Solve for x
    x = 51,653,867.38/3,113.44
  6. Step 6: Final answer
    x = 16,590.62

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.