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Finding the Third Proportional to 323,372 and 698,368

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Solution

The third proportional to 323,372 and 698,368 is: 1,508,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,372 : 698,368 = 698,368 : x
  2. Step 2: Convert to fraction form
    323,372/698,368 = 698,368/x
  3. Step 3: Cross multiply
    323,372x = 698,368 × 698,368
  4. Step 4: Simplify right side
    323,372x = 487,717,863,424
  5. Step 5: Solve for x
    x = 487,717,863,424/323,372
  6. Step 6: Final answer
    x = 1,508,225.40

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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.