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Finding the Third Proportional to 63,608 and 138,151

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Solution

The third proportional to 63,608 and 138,151 is: 300,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,608 : 138,151 = 138,151 : x
  2. Step 2: Convert to fraction form
    63,608/138,151 = 138,151/x
  3. Step 3: Cross multiply
    63,608x = 138,151 × 138,151
  4. Step 4: Simplify right side
    63,608x = 19,085,698,801
  5. Step 5: Solve for x
    x = 19,085,698,801/63,608
  6. Step 6: Final answer
    x = 300,051.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.