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Finding the Third Proportional to 4,536.32 and 9,790.24

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Solution

The third proportional to 4,536.32 and 9,790.24 is: 21,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,536.32 : 9,790.24 = 9,790.24 : x
  2. Step 2: Convert to fraction form
    4,536.32/9,790.24 = 9,790.24/x
  3. Step 3: Cross multiply
    4,536.32x = 9,790.24 × 9,790.24
  4. Step 4: Simplify right side
    4,536.32x = 95,848,842.09
  5. Step 5: Solve for x
    x = 95,848,842.09/4,536.32
  6. Step 6: Final answer
    x = 21,129.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.