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Finding the Third Proportional to 56,772 and 87,850.50

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Solution

The third proportional to 56,772 and 87,850.50 is: 135,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,772 : 87,850.50 = 87,850.50 : x
  2. Step 2: Convert to fraction form
    56,772/87,850.50 = 87,850.50/x
  3. Step 3: Cross multiply
    56,772x = 87,850.50 × 87,850.50
  4. Step 4: Simplify right side
    56,772x = 7,717,710,350.25
  5. Step 5: Solve for x
    x = 7,717,710,350.25/56,772
  6. Step 6: Final answer
    x = 135,942.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.