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Finding the Third Proportional to 6,628.13 and 13,938

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Solution

The third proportional to 6,628.13 and 13,938 is: 29,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.13 : 13,938 = 13,938 : x
  2. Step 2: Convert to fraction form
    6,628.13/13,938 = 13,938/x
  3. Step 3: Cross multiply
    6,628.13x = 13,938 × 13,938
  4. Step 4: Simplify right side
    6,628.13x = 194,267,844
  5. Step 5: Solve for x
    x = 194,267,844/6,628.13
  6. Step 6: Final answer
    x = 29,309.62

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.