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Finding the Third Proportional to 323.63 and 697.88

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Solution

The third proportional to 323.63 and 697.88 is: 1,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.63 : 697.88 = 697.88 : x
  2. Step 2: Convert to fraction form
    323.63/697.88 = 697.88/x
  3. Step 3: Cross multiply
    323.63x = 697.88 × 697.88
  4. Step 4: Simplify right side
    323.63x = 487,029.52
  5. Step 5: Solve for x
    x = 487,029.52/323.63
  6. Step 6: Final answer
    x = 1,504.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.