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Finding the Third Proportional to 32,064 and 68,861

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Solution

The third proportional to 32,064 and 68,861 is: 147,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,064 : 68,861 = 68,861 : x
  2. Step 2: Convert to fraction form
    32,064/68,861 = 68,861/x
  3. Step 3: Cross multiply
    32,064x = 68,861 × 68,861
  4. Step 4: Simplify right side
    32,064x = 4,741,837,321
  5. Step 5: Solve for x
    x = 4,741,837,321/32,064
  6. Step 6: Final answer
    x = 147,886.64

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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.