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Finding the Third Proportional to 18,669.23 and 40,309.52

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Solution

The third proportional to 18,669.23 and 40,309.52 is: 87,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.23 : 40,309.52 = 40,309.52 : x
  2. Step 2: Convert to fraction form
    18,669.23/40,309.52 = 40,309.52/x
  3. Step 3: Cross multiply
    18,669.23x = 40,309.52 × 40,309.52
  4. Step 4: Simplify right side
    18,669.23x = 1,624,857,679.76
  5. Step 5: Solve for x
    x = 1,624,857,679.76/18,669.23
  6. Step 6: Final answer
    x = 87,033.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.