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Finding the Third Proportional to 200,900.25 and 303,943.50

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Solution

The third proportional to 200,900.25 and 303,943.50 is: 459,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,900.25 : 303,943.50 = 303,943.50 : x
  2. Step 2: Convert to fraction form
    200,900.25/303,943.50 = 303,943.50/x
  3. Step 3: Cross multiply
    200,900.25x = 303,943.50 × 303,943.50
  4. Step 4: Simplify right side
    200,900.25x = 92,381,651,192.25
  5. Step 5: Solve for x
    x = 92,381,651,192.25/200,900.25
  6. Step 6: Final answer
    x = 459,838.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.