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Finding the Third Proportional to 28,485.75 and 44,221.88

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Solution

The third proportional to 28,485.75 and 44,221.88 is: 68,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,485.75 : 44,221.88 = 44,221.88 : x
  2. Step 2: Convert to fraction form
    28,485.75/44,221.88 = 44,221.88/x
  3. Step 3: Cross multiply
    28,485.75x = 44,221.88 × 44,221.88
  4. Step 4: Simplify right side
    28,485.75x = 1,955,574,228.52
  5. Step 5: Solve for x
    x = 1,955,574,228.52/28,485.75
  6. Step 6: Final answer
    x = 68,650.97

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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.