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Finding the Third Proportional to 5,131.41 and 7,923.66

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Solution

The third proportional to 5,131.41 and 7,923.66 is: 12,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.41 : 7,923.66 = 7,923.66 : x
  2. Step 2: Convert to fraction form
    5,131.41/7,923.66 = 7,923.66/x
  3. Step 3: Cross multiply
    5,131.41x = 7,923.66 × 7,923.66
  4. Step 4: Simplify right side
    5,131.41x = 62,784,328.37
  5. Step 5: Solve for x
    x = 62,784,328.37/5,131.41
  6. Step 6: Final answer
    x = 12,235.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.