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Finding the Third Proportional to 67,124 and 156,770

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Solution

The third proportional to 67,124 and 156,770 is: 366,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124 : 156,770 = 156,770 : x
  2. Step 2: Convert to fraction form
    67,124/156,770 = 156,770/x
  3. Step 3: Cross multiply
    67,124x = 156,770 × 156,770
  4. Step 4: Simplify right side
    67,124x = 24,576,832,900
  5. Step 5: Solve for x
    x = 24,576,832,900/67,124
  6. Step 6: Final answer
    x = 366,140.77

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.