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Finding the Third Proportional to 11,164.50 and 14,509.13

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Solution

The third proportional to 11,164.50 and 14,509.13 is: 18,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.50 : 14,509.13 = 14,509.13 : x
  2. Step 2: Convert to fraction form
    11,164.50/14,509.13 = 14,509.13/x
  3. Step 3: Cross multiply
    11,164.50x = 14,509.13 × 14,509.13
  4. Step 4: Simplify right side
    11,164.50x = 210,514,708.27
  5. Step 5: Solve for x
    x = 210,514,708.27/11,164.50
  6. Step 6: Final answer
    x = 18,855.72

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.