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Finding the Third Proportional to 8,501.63 and 18,508.88

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Solution

The third proportional to 8,501.63 and 18,508.88 is: 40,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.63 : 18,508.88 = 18,508.88 : x
  2. Step 2: Convert to fraction form
    8,501.63/18,508.88 = 18,508.88/x
  3. Step 3: Cross multiply
    8,501.63x = 18,508.88 × 18,508.88
  4. Step 4: Simplify right side
    8,501.63x = 342,578,453.77
  5. Step 5: Solve for x
    x = 342,578,453.77/8,501.63
  6. Step 6: Final answer
    x = 40,295.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.