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Finding the Third Proportional to 151,609.22 and 330,111.70

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Solution

The third proportional to 151,609.22 and 330,111.70 is: 718,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,609.22 : 330,111.70 = 330,111.70 : x
  2. Step 2: Convert to fraction form
    151,609.22/330,111.70 = 330,111.70/x
  3. Step 3: Cross multiply
    151,609.22x = 330,111.70 × 330,111.70
  4. Step 4: Simplify right side
    151,609.22x = 108,973,736,540.09
  5. Step 5: Solve for x
    x = 108,973,736,540.09/151,609.22
  6. Step 6: Final answer
    x = 718,780.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.