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Finding the Third Proportional to 136,164 and 207,126

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Solution

The third proportional to 136,164 and 207,126 is: 315,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,164 : 207,126 = 207,126 : x
  2. Step 2: Convert to fraction form
    136,164/207,126 = 207,126/x
  3. Step 3: Cross multiply
    136,164x = 207,126 × 207,126
  4. Step 4: Simplify right side
    136,164x = 42,901,179,876
  5. Step 5: Solve for x
    x = 42,901,179,876/136,164
  6. Step 6: Final answer
    x = 315,069.91

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.