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Finding the Third Proportional to 74,944 and 156,812

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Solution

The third proportional to 74,944 and 156,812 is: 328,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944 : 156,812 = 156,812 : x
  2. Step 2: Convert to fraction form
    74,944/156,812 = 156,812/x
  3. Step 3: Cross multiply
    74,944x = 156,812 × 156,812
  4. Step 4: Simplify right side
    74,944x = 24,590,003,344
  5. Step 5: Solve for x
    x = 24,590,003,344/74,944
  6. Step 6: Final answer
    x = 328,111.70

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.