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Finding the Third Proportional to 47,677.50 and 66,687.75

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Solution

The third proportional to 47,677.50 and 66,687.75 is: 93,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,677.50 : 66,687.75 = 66,687.75 : x
  2. Step 2: Convert to fraction form
    47,677.50/66,687.75 = 66,687.75/x
  3. Step 3: Cross multiply
    47,677.50x = 66,687.75 × 66,687.75
  4. Step 4: Simplify right side
    47,677.50x = 4,447,256,000.06
  5. Step 5: Solve for x
    x = 4,447,256,000.06/47,677.50
  6. Step 6: Final answer
    x = 93,277.88

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.