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Finding the Third Proportional to 202,981.50 and 440,406

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Solution

The third proportional to 202,981.50 and 440,406 is: 955,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,981.50 : 440,406 = 440,406 : x
  2. Step 2: Convert to fraction form
    202,981.50/440,406 = 440,406/x
  3. Step 3: Cross multiply
    202,981.50x = 440,406 × 440,406
  4. Step 4: Simplify right side
    202,981.50x = 193,957,444,836
  5. Step 5: Solve for x
    x = 193,957,444,836/202,981.50
  6. Step 6: Final answer
    x = 955,542.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.