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Finding the Third Proportional to 18,751.50 and 37,077.75

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Solution

The third proportional to 18,751.50 and 37,077.75 is: 73,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751.50 : 37,077.75 = 37,077.75 : x
  2. Step 2: Convert to fraction form
    18,751.50/37,077.75 = 37,077.75/x
  3. Step 3: Cross multiply
    18,751.50x = 37,077.75 × 37,077.75
  4. Step 4: Simplify right side
    18,751.50x = 1,374,759,545.06
  5. Step 5: Solve for x
    x = 1,374,759,545.06/18,751.50
  6. Step 6: Final answer
    x = 73,314.64

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.