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Finding the Third Proportional to 159,429.56 and 349,959.19

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Solution

The third proportional to 159,429.56 and 349,959.19 is: 768,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,429.56 : 349,959.19 = 349,959.19 : x
  2. Step 2: Convert to fraction form
    159,429.56/349,959.19 = 349,959.19/x
  3. Step 3: Cross multiply
    159,429.56x = 349,959.19 × 349,959.19
  4. Step 4: Simplify right side
    159,429.56x = 122,471,432,915.66
  5. Step 5: Solve for x
    x = 122,471,432,915.66/159,429.56
  6. Step 6: Final answer
    x = 768,185.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.