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Finding the Third Proportional to 218,845.50 and 476,035.50

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Solution

The third proportional to 218,845.50 and 476,035.50 is: 1,035,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,845.50 : 476,035.50 = 476,035.50 : x
  2. Step 2: Convert to fraction form
    218,845.50/476,035.50 = 476,035.50/x
  3. Step 3: Cross multiply
    218,845.50x = 476,035.50 × 476,035.50
  4. Step 4: Simplify right side
    218,845.50x = 226,609,797,260.25
  5. Step 5: Solve for x
    x = 226,609,797,260.25/218,845.50
  6. Step 6: Final answer
    x = 1,035,478.44

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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.