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Finding the Third Proportional to 188,478 and 283,122

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Solution

The third proportional to 188,478 and 283,122 is: 425,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,478 : 283,122 = 283,122 : x
  2. Step 2: Convert to fraction form
    188,478/283,122 = 283,122/x
  3. Step 3: Cross multiply
    188,478x = 283,122 × 283,122
  4. Step 4: Simplify right side
    188,478x = 80,158,066,884
  5. Step 5: Solve for x
    x = 80,158,066,884/188,478
  6. Step 6: Final answer
    x = 425,291.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.