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Finding the Third Proportional to 63,656.44 and 138,265.31

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Solution

The third proportional to 63,656.44 and 138,265.31 is: 300,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,656.44 : 138,265.31 = 138,265.31 : x
  2. Step 2: Convert to fraction form
    63,656.44/138,265.31 = 138,265.31/x
  3. Step 3: Cross multiply
    63,656.44x = 138,265.31 × 138,265.31
  4. Step 4: Simplify right side
    63,656.44x = 19,117,296,640.72
  5. Step 5: Solve for x
    x = 19,117,296,640.72/63,656.44
  6. Step 6: Final answer
    x = 300,319.93

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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.