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Finding the Third Proportional to 26,985.50 and 57,259

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Solution

The third proportional to 26,985.50 and 57,259 is: 121,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.50 : 57,259 = 57,259 : x
  2. Step 2: Convert to fraction form
    26,985.50/57,259 = 57,259/x
  3. Step 3: Cross multiply
    26,985.50x = 57,259 × 57,259
  4. Step 4: Simplify right side
    26,985.50x = 3,278,593,081
  5. Step 5: Solve for x
    x = 3,278,593,081/26,985.50
  6. Step 6: Final answer
    x = 121,494.62

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.