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Finding the Third Proportional to 188,677 and 256,374

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Solution

The third proportional to 188,677 and 256,374 is: 348,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,677 : 256,374 = 256,374 : x
  2. Step 2: Convert to fraction form
    188,677/256,374 = 256,374/x
  3. Step 3: Cross multiply
    188,677x = 256,374 × 256,374
  4. Step 4: Simplify right side
    188,677x = 65,727,627,876
  5. Step 5: Solve for x
    x = 65,727,627,876/188,677
  6. Step 6: Final answer
    x = 348,360.57

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.