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Finding the Third Proportional to 160,979.91 and 349,639.03

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Solution

The third proportional to 160,979.91 and 349,639.03 is: 759,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,979.91 : 349,639.03 = 349,639.03 : x
  2. Step 2: Convert to fraction form
    160,979.91/349,639.03 = 349,639.03/x
  3. Step 3: Cross multiply
    160,979.91x = 349,639.03 × 349,639.03
  4. Step 4: Simplify right side
    160,979.91x = 122,247,452,173.44
  5. Step 5: Solve for x
    x = 122,247,452,173.44/160,979.91
  6. Step 6: Final answer
    x = 759,395.72

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.