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Finding the Third Proportional to 73,778 and 110,740

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Solution

The third proportional to 73,778 and 110,740 is: 166,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778 : 110,740 = 110,740 : x
  2. Step 2: Convert to fraction form
    73,778/110,740 = 110,740/x
  3. Step 3: Cross multiply
    73,778x = 110,740 × 110,740
  4. Step 4: Simplify right side
    73,778x = 12,263,347,600
  5. Step 5: Solve for x
    x = 12,263,347,600/73,778
  6. Step 6: Final answer
    x = 166,219.57

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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.