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Finding the Third Proportional to 323,309 and 702,578

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Solution

The third proportional to 323,309 and 702,578 is: 1,526,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,309 : 702,578 = 702,578 : x
  2. Step 2: Convert to fraction form
    323,309/702,578 = 702,578/x
  3. Step 3: Cross multiply
    323,309x = 702,578 × 702,578
  4. Step 4: Simplify right side
    323,309x = 493,615,846,084
  5. Step 5: Solve for x
    x = 493,615,846,084/323,309
  6. Step 6: Final answer
    x = 1,526,761.85

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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.