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Finding the Third Proportional to 71,939.25 and 168,026.63

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Solution

The third proportional to 71,939.25 and 168,026.63 is: 392,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939.25 : 168,026.63 = 168,026.63 : x
  2. Step 2: Convert to fraction form
    71,939.25/168,026.63 = 168,026.63/x
  3. Step 3: Cross multiply
    71,939.25x = 168,026.63 × 168,026.63
  4. Step 4: Simplify right side
    71,939.25x = 28,232,946,708.89
  5. Step 5: Solve for x
    x = 28,232,946,708.89/71,939.25
  6. Step 6: Final answer
    x = 392,455.39

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.