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Finding the Third Proportional to 26,988.75 and 40,860

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Solution

The third proportional to 26,988.75 and 40,860 is: 61,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.75 : 40,860 = 40,860 : x
  2. Step 2: Convert to fraction form
    26,988.75/40,860 = 40,860/x
  3. Step 3: Cross multiply
    26,988.75x = 40,860 × 40,860
  4. Step 4: Simplify right side
    26,988.75x = 1,669,539,600
  5. Step 5: Solve for x
    x = 1,669,539,600/26,988.75
  6. Step 6: Final answer
    x = 61,860.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.