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Finding the Third Proportional to 8,776.69 and 13,276.41

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Solution

The third proportional to 8,776.69 and 13,276.41 is: 20,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.69 : 13,276.41 = 13,276.41 : x
  2. Step 2: Convert to fraction form
    8,776.69/13,276.41 = 13,276.41/x
  3. Step 3: Cross multiply
    8,776.69x = 13,276.41 × 13,276.41
  4. Step 4: Simplify right side
    8,776.69x = 176,262,962.92
  5. Step 5: Solve for x
    x = 176,262,962.92/8,776.69
  6. Step 6: Final answer
    x = 20,083.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.