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Finding the Third Proportional to 70,750 and 154,136

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Solution

The third proportional to 70,750 and 154,136 is: 335,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,750 : 154,136 = 154,136 : x
  2. Step 2: Convert to fraction form
    70,750/154,136 = 154,136/x
  3. Step 3: Cross multiply
    70,750x = 154,136 × 154,136
  4. Step 4: Simplify right side
    70,750x = 23,757,906,496
  5. Step 5: Solve for x
    x = 23,757,906,496/70,750
  6. Step 6: Final answer
    x = 335,800.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.