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Finding the Third Proportional to 156,725 and 228,517

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Solution

The third proportional to 156,725 and 228,517 is: 333,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725 : 228,517 = 228,517 : x
  2. Step 2: Convert to fraction form
    156,725/228,517 = 228,517/x
  3. Step 3: Cross multiply
    156,725x = 228,517 × 228,517
  4. Step 4: Simplify right side
    156,725x = 52,220,019,289
  5. Step 5: Solve for x
    x = 52,220,019,289/156,725
  6. Step 6: Final answer
    x = 333,195.21

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.