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Finding the Third Proportional to 127,516 and 274,544

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Solution

The third proportional to 127,516 and 274,544 is: 591,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,516 : 274,544 = 274,544 : x
  2. Step 2: Convert to fraction form
    127,516/274,544 = 274,544/x
  3. Step 3: Cross multiply
    127,516x = 274,544 × 274,544
  4. Step 4: Simplify right side
    127,516x = 75,374,407,936
  5. Step 5: Solve for x
    x = 75,374,407,936/127,516
  6. Step 6: Final answer
    x = 591,097.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.