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Finding the Third Proportional to 5,636.94 and 8,762.24

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Solution

The third proportional to 5,636.94 and 8,762.24 is: 13,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.94 : 8,762.24 = 8,762.24 : x
  2. Step 2: Convert to fraction form
    5,636.94/8,762.24 = 8,762.24/x
  3. Step 3: Cross multiply
    5,636.94x = 8,762.24 × 8,762.24
  4. Step 4: Simplify right side
    5,636.94x = 76,776,819.70
  5. Step 5: Solve for x
    x = 76,776,819.70/5,636.94
  6. Step 6: Final answer
    x = 13,620.31

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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.