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Finding the Third Proportional to 12,008.25 and 14,131.13

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Solution

The third proportional to 12,008.25 and 14,131.13 is: 16,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.25 : 14,131.13 = 14,131.13 : x
  2. Step 2: Convert to fraction form
    12,008.25/14,131.13 = 14,131.13/x
  3. Step 3: Cross multiply
    12,008.25x = 14,131.13 × 14,131.13
  4. Step 4: Simplify right side
    12,008.25x = 199,688,693.77
  5. Step 5: Solve for x
    x = 199,688,693.77/12,008.25
  6. Step 6: Final answer
    x = 16,629.29

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.