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Finding the Third Proportional to 20,235 and 29,655

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Solution

The third proportional to 20,235 and 29,655 is: 43,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235 : 29,655 = 29,655 : x
  2. Step 2: Convert to fraction form
    20,235/29,655 = 29,655/x
  3. Step 3: Cross multiply
    20,235x = 29,655 × 29,655
  4. Step 4: Simplify right side
    20,235x = 879,419,025
  5. Step 5: Solve for x
    x = 879,419,025/20,235
  6. Step 6: Final answer
    x = 43,460.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.