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Finding the Third Proportional to 127,874 and 191,813

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Solution

The third proportional to 127,874 and 191,813 is: 287,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,874 : 191,813 = 191,813 : x
  2. Step 2: Convert to fraction form
    127,874/191,813 = 191,813/x
  3. Step 3: Cross multiply
    127,874x = 191,813 × 191,813
  4. Step 4: Simplify right side
    127,874x = 36,792,226,969
  5. Step 5: Solve for x
    x = 36,792,226,969/127,874
  6. Step 6: Final answer
    x = 287,722.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.