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Finding the Third Proportional to 12,473.81 and 18,840.19

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Solution

The third proportional to 12,473.81 and 18,840.19 is: 28,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.81 : 18,840.19 = 18,840.19 : x
  2. Step 2: Convert to fraction form
    12,473.81/18,840.19 = 18,840.19/x
  3. Step 3: Cross multiply
    12,473.81x = 18,840.19 × 18,840.19
  4. Step 4: Simplify right side
    12,473.81x = 354,952,665.04
  5. Step 5: Solve for x
    x = 354,952,665.04/12,473.81
  6. Step 6: Final answer
    x = 28,455.83

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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.