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Finding the Third Proportional to 10,622 and 14,187

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Solution

The third proportional to 10,622 and 14,187 is: 18,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622 : 14,187 = 14,187 : x
  2. Step 2: Convert to fraction form
    10,622/14,187 = 14,187/x
  3. Step 3: Cross multiply
    10,622x = 14,187 × 14,187
  4. Step 4: Simplify right side
    10,622x = 201,270,969
  5. Step 5: Solve for x
    x = 201,270,969/10,622
  6. Step 6: Final answer
    x = 18,948.50

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.