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Finding the Third Proportional to 135,859 and 297,963

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Solution

The third proportional to 135,859 and 297,963 is: 653,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,859 : 297,963 = 297,963 : x
  2. Step 2: Convert to fraction form
    135,859/297,963 = 297,963/x
  3. Step 3: Cross multiply
    135,859x = 297,963 × 297,963
  4. Step 4: Simplify right side
    135,859x = 88,781,949,369
  5. Step 5: Solve for x
    x = 88,781,949,369/135,859
  6. Step 6: Final answer
    x = 653,485.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.