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Finding the Third Proportional to 40,388.63 and 82,736.44

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Solution

The third proportional to 40,388.63 and 82,736.44 is: 169,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.63 : 82,736.44 = 82,736.44 : x
  2. Step 2: Convert to fraction form
    40,388.63/82,736.44 = 82,736.44/x
  3. Step 3: Cross multiply
    40,388.63x = 82,736.44 × 82,736.44
  4. Step 4: Simplify right side
    40,388.63x = 6,845,318,090.19
  5. Step 5: Solve for x
    x = 6,845,318,090.19/40,388.63
  6. Step 6: Final answer
    x = 169,486.29

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.