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Finding the Third Proportional to 127,584 and 274,668

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Solution

The third proportional to 127,584 and 274,668 is: 591,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584 : 274,668 = 274,668 : x
  2. Step 2: Convert to fraction form
    127,584/274,668 = 274,668/x
  3. Step 3: Cross multiply
    127,584x = 274,668 × 274,668
  4. Step 4: Simplify right side
    127,584x = 75,442,510,224
  5. Step 5: Solve for x
    x = 75,442,510,224/127,584
  6. Step 6: Final answer
    x = 591,316.39

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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.