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Finding the Third Proportional to 125,217 and 256,194

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Solution

The third proportional to 125,217 and 256,194 is: 524,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,217 : 256,194 = 256,194 : x
  2. Step 2: Convert to fraction form
    125,217/256,194 = 256,194/x
  3. Step 3: Cross multiply
    125,217x = 256,194 × 256,194
  4. Step 4: Simplify right side
    125,217x = 65,635,365,636
  5. Step 5: Solve for x
    x = 65,635,365,636/125,217
  6. Step 6: Final answer
    x = 524,172.96

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.