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Finding the Third Proportional to 200,933 and 303,989

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Solution

The third proportional to 200,933 and 303,989 is: 459,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,933 : 303,989 = 303,989 : x
  2. Step 2: Convert to fraction form
    200,933/303,989 = 303,989/x
  3. Step 3: Cross multiply
    200,933x = 303,989 × 303,989
  4. Step 4: Simplify right side
    200,933x = 92,409,312,121
  5. Step 5: Solve for x
    x = 92,409,312,121/200,933
  6. Step 6: Final answer
    x = 459,901.12

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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.