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Finding the Third Proportional to 156,785 and 238,863

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Solution

The third proportional to 156,785 and 238,863 is: 363,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785 : 238,863 = 238,863 : x
  2. Step 2: Convert to fraction form
    156,785/238,863 = 238,863/x
  3. Step 3: Cross multiply
    156,785x = 238,863 × 238,863
  4. Step 4: Simplify right side
    156,785x = 57,055,532,769
  5. Step 5: Solve for x
    x = 57,055,532,769/156,785
  6. Step 6: Final answer
    x = 363,909.38

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.