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Finding the Third Proportional to 14,114 and 21,174

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Solution

The third proportional to 14,114 and 21,174 is: 31,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114 : 21,174 = 21,174 : x
  2. Step 2: Convert to fraction form
    14,114/21,174 = 21,174/x
  3. Step 3: Cross multiply
    14,114x = 21,174 × 21,174
  4. Step 4: Simplify right side
    14,114x = 448,338,276
  5. Step 5: Solve for x
    x = 448,338,276/14,114
  6. Step 6: Final answer
    x = 31,765.50

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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.