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Finding the Third Proportional to 7,389.66 and 11,057.44

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Solution

The third proportional to 7,389.66 and 11,057.44 is: 16,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.66 : 11,057.44 = 11,057.44 : x
  2. Step 2: Convert to fraction form
    7,389.66/11,057.44 = 11,057.44/x
  3. Step 3: Cross multiply
    7,389.66x = 11,057.44 × 11,057.44
  4. Step 4: Simplify right side
    7,389.66x = 122,266,924.07
  5. Step 5: Solve for x
    x = 122,266,924.07/7,389.66
  6. Step 6: Final answer
    x = 16,545.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.