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Finding the Third Proportional to 7,671.94 and 11,255.63

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Solution

The third proportional to 7,671.94 and 11,255.63 is: 16,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.94 : 11,255.63 = 11,255.63 : x
  2. Step 2: Convert to fraction form
    7,671.94/11,255.63 = 11,255.63/x
  3. Step 3: Cross multiply
    7,671.94x = 11,255.63 × 11,255.63
  4. Step 4: Simplify right side
    7,671.94x = 126,689,094.14
  5. Step 5: Solve for x
    x = 126,689,094.14/7,671.94
  6. Step 6: Final answer
    x = 16,513.31

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.