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Finding the Third Proportional to 323,401 and 703,428

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Solution

The third proportional to 323,401 and 703,428 is: 1,530,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,401 : 703,428 = 703,428 : x
  2. Step 2: Convert to fraction form
    323,401/703,428 = 703,428/x
  3. Step 3: Cross multiply
    323,401x = 703,428 × 703,428
  4. Step 4: Simplify right side
    323,401x = 494,810,951,184
  5. Step 5: Solve for x
    x = 494,810,951,184/323,401
  6. Step 6: Final answer
    x = 1,530,022.95

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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.