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Finding the Third Proportional to 18,255.38 and 40,477.22

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Solution

The third proportional to 18,255.38 and 40,477.22 is: 89,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.38 : 40,477.22 = 40,477.22 : x
  2. Step 2: Convert to fraction form
    18,255.38/40,477.22 = 40,477.22/x
  3. Step 3: Cross multiply
    18,255.38x = 40,477.22 × 40,477.22
  4. Step 4: Simplify right side
    18,255.38x = 1,638,405,237.74
  5. Step 5: Solve for x
    x = 1,638,405,237.74/18,255.38
  6. Step 6: Final answer
    x = 89,749.20

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.