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Finding the Third Proportional to 70,936 and 154,472

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Solution

The third proportional to 70,936 and 154,472 is: 336,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936 : 154,472 = 154,472 : x
  2. Step 2: Convert to fraction form
    70,936/154,472 = 154,472/x
  3. Step 3: Cross multiply
    70,936x = 154,472 × 154,472
  4. Step 4: Simplify right side
    70,936x = 23,861,598,784
  5. Step 5: Solve for x
    x = 23,861,598,784/70,936
  6. Step 6: Final answer
    x = 336,382.07

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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.