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Finding the Third Proportional to 77,037 and 169,176

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Solution

The third proportional to 77,037 and 169,176 is: 371,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,037 : 169,176 = 169,176 : x
  2. Step 2: Convert to fraction form
    77,037/169,176 = 169,176/x
  3. Step 3: Cross multiply
    77,037x = 169,176 × 169,176
  4. Step 4: Simplify right side
    77,037x = 28,620,518,976
  5. Step 5: Solve for x
    x = 28,620,518,976/77,037
  6. Step 6: Final answer
    x = 371,516.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.