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Finding the Third Proportional to 28,633.50 and 62,913

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Solution

The third proportional to 28,633.50 and 62,913 is: 138,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.50 : 62,913 = 62,913 : x
  2. Step 2: Convert to fraction form
    28,633.50/62,913 = 62,913/x
  3. Step 3: Cross multiply
    28,633.50x = 62,913 × 62,913
  4. Step 4: Simplify right side
    28,633.50x = 3,958,045,569
  5. Step 5: Solve for x
    x = 3,958,045,569/28,633.50
  6. Step 6: Final answer
    x = 138,231.29

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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.