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Finding the Third Proportional to 127,640 and 190,852

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Solution

The third proportional to 127,640 and 190,852 is: 285,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,640 : 190,852 = 190,852 : x
  2. Step 2: Convert to fraction form
    127,640/190,852 = 190,852/x
  3. Step 3: Cross multiply
    127,640x = 190,852 × 190,852
  4. Step 4: Simplify right side
    127,640x = 36,424,485,904
  5. Step 5: Solve for x
    x = 36,424,485,904/127,640
  6. Step 6: Final answer
    x = 285,368.90

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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.