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Finding the Third Proportional to 32,121 and 69,163.88

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Solution

The third proportional to 32,121 and 69,163.88 is: 148,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121 : 69,163.88 = 69,163.88 : x
  2. Step 2: Convert to fraction form
    32,121/69,163.88 = 69,163.88/x
  3. Step 3: Cross multiply
    32,121x = 69,163.88 × 69,163.88
  4. Step 4: Simplify right side
    32,121x = 4,783,641,605.02
  5. Step 5: Solve for x
    x = 4,783,641,605.02/32,121
  6. Step 6: Final answer
    x = 148,925.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.