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Finding the Third Proportional to 133,968 and 207,246

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Solution

The third proportional to 133,968 and 207,246 is: 320,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,968 : 207,246 = 207,246 : x
  2. Step 2: Convert to fraction form
    133,968/207,246 = 207,246/x
  3. Step 3: Cross multiply
    133,968x = 207,246 × 207,246
  4. Step 4: Simplify right side
    133,968x = 42,950,904,516
  5. Step 5: Solve for x
    x = 42,950,904,516/133,968
  6. Step 6: Final answer
    x = 320,605.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.