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Finding the Third Proportional to 73,940 and 110,783

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Solution

The third proportional to 73,940 and 110,783 is: 165,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,940 : 110,783 = 110,783 : x
  2. Step 2: Convert to fraction form
    73,940/110,783 = 110,783/x
  3. Step 3: Cross multiply
    73,940x = 110,783 × 110,783
  4. Step 4: Simplify right side
    73,940x = 12,272,873,089
  5. Step 5: Solve for x
    x = 12,272,873,089/73,940
  6. Step 6: Final answer
    x = 165,984.22

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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.