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Finding the Third Proportional to 64,239.75 and 154,581.75

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Solution

The third proportional to 64,239.75 and 154,581.75 is: 371,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,239.75 : 154,581.75 = 154,581.75 : x
  2. Step 2: Convert to fraction form
    64,239.75/154,581.75 = 154,581.75/x
  3. Step 3: Cross multiply
    64,239.75x = 154,581.75 × 154,581.75
  4. Step 4: Simplify right side
    64,239.75x = 23,895,517,433.06
  5. Step 5: Solve for x
    x = 23,895,517,433.06/64,239.75
  6. Step 6: Final answer
    x = 371,974.01

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.