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Finding the Third Proportional to 29,898 and 68,911.50

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Solution

The third proportional to 29,898 and 68,911.50 is: 158,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,898 : 68,911.50 = 68,911.50 : x
  2. Step 2: Convert to fraction form
    29,898/68,911.50 = 68,911.50/x
  3. Step 3: Cross multiply
    29,898x = 68,911.50 × 68,911.50
  4. Step 4: Simplify right side
    29,898x = 4,748,794,832.25
  5. Step 5: Solve for x
    x = 4,748,794,832.25/29,898
  6. Step 6: Final answer
    x = 158,833.19

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.