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Finding the Third Proportional to 49,923 and 66,784.50

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Solution

The third proportional to 49,923 and 66,784.50 is: 89,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,923 : 66,784.50 = 66,784.50 : x
  2. Step 2: Convert to fraction form
    49,923/66,784.50 = 66,784.50/x
  3. Step 3: Cross multiply
    49,923x = 66,784.50 × 66,784.50
  4. Step 4: Simplify right side
    49,923x = 4,460,169,440.25
  5. Step 5: Solve for x
    x = 4,460,169,440.25/49,923
  6. Step 6: Final answer
    x = 89,340.97

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.