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Finding the Third Proportional to 183,400 and 401,790

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Solution

The third proportional to 183,400 and 401,790 is: 880,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,400 : 401,790 = 401,790 : x
  2. Step 2: Convert to fraction form
    183,400/401,790 = 401,790/x
  3. Step 3: Cross multiply
    183,400x = 401,790 × 401,790
  4. Step 4: Simplify right side
    183,400x = 161,435,204,100
  5. Step 5: Solve for x
    x = 161,435,204,100/183,400
  6. Step 6: Final answer
    x = 880,235.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.