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Finding the Third Proportional to 221,574 and 472,671

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Solution

The third proportional to 221,574 and 472,671 is: 1,008,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,574 : 472,671 = 472,671 : x
  2. Step 2: Convert to fraction form
    221,574/472,671 = 472,671/x
  3. Step 3: Cross multiply
    221,574x = 472,671 × 472,671
  4. Step 4: Simplify right side
    221,574x = 223,417,874,241
  5. Step 5: Solve for x
    x = 223,417,874,241/221,574
  6. Step 6: Final answer
    x = 1,008,321.71

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.