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Finding the Third Proportional to 273,685.50 and 435,824

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Solution

The third proportional to 273,685.50 and 435,824 is: 694,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,685.50 : 435,824 = 435,824 : x
  2. Step 2: Convert to fraction form
    273,685.50/435,824 = 435,824/x
  3. Step 3: Cross multiply
    273,685.50x = 435,824 × 435,824
  4. Step 4: Simplify right side
    273,685.50x = 189,942,558,976
  5. Step 5: Solve for x
    x = 189,942,558,976/273,685.50
  6. Step 6: Final answer
    x = 694,017.62

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.