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Finding the Third Proportional to 28,550 and 43,917

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Solution

The third proportional to 28,550 and 43,917 is: 67,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550 : 43,917 = 43,917 : x
  2. Step 2: Convert to fraction form
    28,550/43,917 = 43,917/x
  3. Step 3: Cross multiply
    28,550x = 43,917 × 43,917
  4. Step 4: Simplify right side
    28,550x = 1,928,702,889
  5. Step 5: Solve for x
    x = 1,928,702,889/28,550
  6. Step 6: Final answer
    x = 67,555.27

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.