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Finding the Third Proportional to 7,939.75 and 16,973

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Solution

The third proportional to 7,939.75 and 16,973 is: 36,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.75 : 16,973 = 16,973 : x
  2. Step 2: Convert to fraction form
    7,939.75/16,973 = 16,973/x
  3. Step 3: Cross multiply
    7,939.75x = 16,973 × 16,973
  4. Step 4: Simplify right side
    7,939.75x = 288,082,729
  5. Step 5: Solve for x
    x = 288,082,729/7,939.75
  6. Step 6: Final answer
    x = 36,283.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.