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Finding the Third Proportional to 329,328 and 708,624

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Solution

The third proportional to 329,328 and 708,624 is: 1,524,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,328 : 708,624 = 708,624 : x
  2. Step 2: Convert to fraction form
    329,328/708,624 = 708,624/x
  3. Step 3: Cross multiply
    329,328x = 708,624 × 708,624
  4. Step 4: Simplify right side
    329,328x = 502,147,973,376
  5. Step 5: Solve for x
    x = 502,147,973,376/329,328
  6. Step 6: Final answer
    x = 1,524,765.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.