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Finding the Third Proportional to 26,688.75 and 61,777.88

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Solution

The third proportional to 26,688.75 and 61,777.88 is: 143,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.75 : 61,777.88 = 61,777.88 : x
  2. Step 2: Convert to fraction form
    26,688.75/61,777.88 = 61,777.88/x
  3. Step 3: Cross multiply
    26,688.75x = 61,777.88 × 61,777.88
  4. Step 4: Simplify right side
    26,688.75x = 3,816,505,839.52
  5. Step 5: Solve for x
    x = 3,816,505,839.52/26,688.75
  6. Step 6: Final answer
    x = 143,000.55

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.