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Finding the Third Proportional to 63,614 and 138,293

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Solution

The third proportional to 63,614 and 138,293 is: 300,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,614 : 138,293 = 138,293 : x
  2. Step 2: Convert to fraction form
    63,614/138,293 = 138,293/x
  3. Step 3: Cross multiply
    63,614x = 138,293 × 138,293
  4. Step 4: Simplify right side
    63,614x = 19,124,953,849
  5. Step 5: Solve for x
    x = 19,124,953,849/63,614
  6. Step 6: Final answer
    x = 300,640.64

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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.