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Finding the Third Proportional to 73,158 and 109,425

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Solution

The third proportional to 73,158 and 109,425 is: 163,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,158 : 109,425 = 109,425 : x
  2. Step 2: Convert to fraction form
    73,158/109,425 = 109,425/x
  3. Step 3: Cross multiply
    73,158x = 109,425 × 109,425
  4. Step 4: Simplify right side
    73,158x = 11,973,830,625
  5. Step 5: Solve for x
    x = 11,973,830,625/73,158
  6. Step 6: Final answer
    x = 163,670.83

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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.