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Finding the Third Proportional to 323,551 and 702,990

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Solution

The third proportional to 323,551 and 702,990 is: 1,527,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,551 : 702,990 = 702,990 : x
  2. Step 2: Convert to fraction form
    323,551/702,990 = 702,990/x
  3. Step 3: Cross multiply
    323,551x = 702,990 × 702,990
  4. Step 4: Simplify right side
    323,551x = 494,194,940,100
  5. Step 5: Solve for x
    x = 494,194,940,100/323,551
  6. Step 6: Final answer
    x = 1,527,409.71

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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.