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Finding the Third Proportional to 66,206 and 156,156

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Solution

The third proportional to 66,206 and 156,156 is: 368,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,206 : 156,156 = 156,156 : x
  2. Step 2: Convert to fraction form
    66,206/156,156 = 156,156/x
  3. Step 3: Cross multiply
    66,206x = 156,156 × 156,156
  4. Step 4: Simplify right side
    66,206x = 24,384,696,336
  5. Step 5: Solve for x
    x = 24,384,696,336/66,206
  6. Step 6: Final answer
    x = 368,315.51

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.