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Finding the Third Proportional to 8,931 and 14,129.44

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Solution

The third proportional to 8,931 and 14,129.44 is: 22,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931 : 14,129.44 = 14,129.44 : x
  2. Step 2: Convert to fraction form
    8,931/14,129.44 = 14,129.44/x
  3. Step 3: Cross multiply
    8,931x = 14,129.44 × 14,129.44
  4. Step 4: Simplify right side
    8,931x = 199,641,004.07
  5. Step 5: Solve for x
    x = 199,641,004.07/8,931
  6. Step 6: Final answer
    x = 22,353.71

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.