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Finding the Third Proportional to 79,212.54 and 163,653.38

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Solution

The third proportional to 79,212.54 and 163,653.38 is: 338,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,212.54 : 163,653.38 = 163,653.38 : x
  2. Step 2: Convert to fraction form
    79,212.54/163,653.38 = 163,653.38/x
  3. Step 3: Cross multiply
    79,212.54x = 163,653.38 × 163,653.38
  4. Step 4: Simplify right side
    79,212.54x = 26,782,429,066.71
  5. Step 5: Solve for x
    x = 26,782,429,066.71/79,212.54
  6. Step 6: Final answer
    x = 338,108.44

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.