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Finding the Third Proportional to 4,020.75 and 8,800.88

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Solution

The third proportional to 4,020.75 and 8,800.88 is: 19,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.75 : 8,800.88 = 8,800.88 : x
  2. Step 2: Convert to fraction form
    4,020.75/8,800.88 = 8,800.88/x
  3. Step 3: Cross multiply
    4,020.75x = 8,800.88 × 8,800.88
  4. Step 4: Simplify right side
    4,020.75x = 77,455,400.77
  5. Step 5: Solve for x
    x = 77,455,400.77/4,020.75
  6. Step 6: Final answer
    x = 19,263.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.