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Finding the Third Proportional to 183,717.75 and 393,679.50

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Solution

The third proportional to 183,717.75 and 393,679.50 is: 843,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,717.75 : 393,679.50 = 393,679.50 : x
  2. Step 2: Convert to fraction form
    183,717.75/393,679.50 = 393,679.50/x
  3. Step 3: Cross multiply
    183,717.75x = 393,679.50 × 393,679.50
  4. Step 4: Simplify right side
    183,717.75x = 154,983,548,720.25
  5. Step 5: Solve for x
    x = 154,983,548,720.25/183,717.75
  6. Step 6: Final answer
    x = 843,595.94

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.