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Finding the Third Proportional to 74,732 and 156,388

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Solution

The third proportional to 74,732 and 156,388 is: 327,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732 : 156,388 = 156,388 : x
  2. Step 2: Convert to fraction form
    74,732/156,388 = 156,388/x
  3. Step 3: Cross multiply
    74,732x = 156,388 × 156,388
  4. Step 4: Simplify right side
    74,732x = 24,457,206,544
  5. Step 5: Solve for x
    x = 24,457,206,544/74,732
  6. Step 6: Final answer
    x = 327,265.52

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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.