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Finding the Third Proportional to 408,477 and 888,943

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Solution

The third proportional to 408,477 and 888,943 is: 1,934,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,477 : 888,943 = 888,943 : x
  2. Step 2: Convert to fraction form
    408,477/888,943 = 888,943/x
  3. Step 3: Cross multiply
    408,477x = 888,943 × 888,943
  4. Step 4: Simplify right side
    408,477x = 790,219,657,249
  5. Step 5: Solve for x
    x = 790,219,657,249/408,477
  6. Step 6: Final answer
    x = 1,934,551.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.