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Finding the Third Proportional to 77,914.88 and 168,131.44

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Solution

The third proportional to 77,914.88 and 168,131.44 is: 362,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,914.88 : 168,131.44 = 168,131.44 : x
  2. Step 2: Convert to fraction form
    77,914.88/168,131.44 = 168,131.44/x
  3. Step 3: Cross multiply
    77,914.88x = 168,131.44 × 168,131.44
  4. Step 4: Simplify right side
    77,914.88x = 28,268,180,275.82
  5. Step 5: Solve for x
    x = 28,268,180,275.82/77,914.88
  6. Step 6: Final answer
    x = 362,808.52

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.