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Finding the Third Proportional to 81,055.69 and 168,330.66

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Solution

The third proportional to 81,055.69 and 168,330.66 is: 349,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,055.69 : 168,330.66 = 168,330.66 : x
  2. Step 2: Convert to fraction form
    81,055.69/168,330.66 = 168,330.66/x
  3. Step 3: Cross multiply
    81,055.69x = 168,330.66 × 168,330.66
  4. Step 4: Simplify right side
    81,055.69x = 28,335,209,833.56
  5. Step 5: Solve for x
    x = 28,335,209,833.56/81,055.69
  6. Step 6: Final answer
    x = 349,577.07

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.