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Finding the Third Proportional to 188,484 and 409,692

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Solution

The third proportional to 188,484 and 409,692 is: 890,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,484 : 409,692 = 409,692 : x
  2. Step 2: Convert to fraction form
    188,484/409,692 = 409,692/x
  3. Step 3: Cross multiply
    188,484x = 409,692 × 409,692
  4. Step 4: Simplify right side
    188,484x = 167,847,534,864
  5. Step 5: Solve for x
    x = 167,847,534,864/188,484
  6. Step 6: Final answer
    x = 890,513.44

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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.