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Finding the Third Proportional to 203,611.50 and 438,437.25

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Solution

The third proportional to 203,611.50 and 438,437.25 is: 944,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,611.50 : 438,437.25 = 438,437.25 : x
  2. Step 2: Convert to fraction form
    203,611.50/438,437.25 = 438,437.25/x
  3. Step 3: Cross multiply
    203,611.50x = 438,437.25 × 438,437.25
  4. Step 4: Simplify right side
    203,611.50x = 192,227,222,187.56
  5. Step 5: Solve for x
    x = 192,227,222,187.56/203,611.50
  6. Step 6: Final answer
    x = 944,088.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.