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Finding the Third Proportional to 7,450.31 and 11,000.81

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Solution

The third proportional to 7,450.31 and 11,000.81 is: 16,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.31 : 11,000.81 = 11,000.81 : x
  2. Step 2: Convert to fraction form
    7,450.31/11,000.81 = 11,000.81/x
  3. Step 3: Cross multiply
    7,450.31x = 11,000.81 × 11,000.81
  4. Step 4: Simplify right side
    7,450.31x = 121,017,875.66
  5. Step 5: Solve for x
    x = 121,017,875.66/7,450.31
  6. Step 6: Final answer
    x = 16,243.33

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.