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Finding the Third Proportional to 156,785 and 234,810

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Solution

The third proportional to 156,785 and 234,810 is: 351,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785 : 234,810 = 234,810 : x
  2. Step 2: Convert to fraction form
    156,785/234,810 = 234,810/x
  3. Step 3: Cross multiply
    156,785x = 234,810 × 234,810
  4. Step 4: Simplify right side
    156,785x = 55,135,736,100
  5. Step 5: Solve for x
    x = 55,135,736,100/156,785
  6. Step 6: Final answer
    x = 351,664.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.