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Finding the Third Proportional to 4,305.56 and 9,000.56

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Solution

The third proportional to 4,305.56 and 9,000.56 is: 18,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.56 : 9,000.56 = 9,000.56 : x
  2. Step 2: Convert to fraction form
    4,305.56/9,000.56 = 9,000.56/x
  3. Step 3: Cross multiply
    4,305.56x = 9,000.56 × 9,000.56
  4. Step 4: Simplify right side
    4,305.56x = 81,010,125.32
  5. Step 5: Solve for x
    x = 81,010,125.32/4,305.56
  6. Step 6: Final answer
    x = 18,815.22

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.