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Finding the Third Proportional to 156,703 and 238,725

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Solution

The third proportional to 156,703 and 238,725 is: 363,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,703 : 238,725 = 238,725 : x
  2. Step 2: Convert to fraction form
    156,703/238,725 = 238,725/x
  3. Step 3: Cross multiply
    156,703x = 238,725 × 238,725
  4. Step 4: Simplify right side
    156,703x = 56,989,625,625
  5. Step 5: Solve for x
    x = 56,989,625,625/156,703
  6. Step 6: Final answer
    x = 363,679.23

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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.