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Finding the Third Proportional to 27,845.50 and 43,087

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Solution

The third proportional to 27,845.50 and 43,087 is: 66,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.50 : 43,087 = 43,087 : x
  2. Step 2: Convert to fraction form
    27,845.50/43,087 = 43,087/x
  3. Step 3: Cross multiply
    27,845.50x = 43,087 × 43,087
  4. Step 4: Simplify right side
    27,845.50x = 1,856,489,569
  5. Step 5: Solve for x
    x = 1,856,489,569/27,845.50
  6. Step 6: Final answer
    x = 66,671.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.