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Finding the Third Proportional to 474,216 and 843,171

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Solution

The third proportional to 474,216 and 843,171 is: 1,499,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,216 : 843,171 = 843,171 : x
  2. Step 2: Convert to fraction form
    474,216/843,171 = 843,171/x
  3. Step 3: Cross multiply
    474,216x = 843,171 × 843,171
  4. Step 4: Simplify right side
    474,216x = 710,937,335,241
  5. Step 5: Solve for x
    x = 710,937,335,241/474,216
  6. Step 6: Final answer
    x = 1,499,184.62

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.