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Finding the Third Proportional to 409,185 and 888,354

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Solution

The third proportional to 409,185 and 888,354 is: 1,928,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,185 : 888,354 = 888,354 : x
  2. Step 2: Convert to fraction form
    409,185/888,354 = 888,354/x
  3. Step 3: Cross multiply
    409,185x = 888,354 × 888,354
  4. Step 4: Simplify right side
    409,185x = 789,172,829,316
  5. Step 5: Solve for x
    x = 789,172,829,316/409,185
  6. Step 6: Final answer
    x = 1,928,645.55

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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.