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Finding the Third Proportional to 17,940 and 26,772

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Solution

The third proportional to 17,940 and 26,772 is: 39,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940 : 26,772 = 26,772 : x
  2. Step 2: Convert to fraction form
    17,940/26,772 = 26,772/x
  3. Step 3: Cross multiply
    17,940x = 26,772 × 26,772
  4. Step 4: Simplify right side
    17,940x = 716,739,984
  5. Step 5: Solve for x
    x = 716,739,984/17,940
  6. Step 6: Final answer
    x = 39,952.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.