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Finding the Third Proportional to 30,177 and 64,242

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Solution

The third proportional to 30,177 and 64,242 is: 136,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177 : 64,242 = 64,242 : x
  2. Step 2: Convert to fraction form
    30,177/64,242 = 64,242/x
  3. Step 3: Cross multiply
    30,177x = 64,242 × 64,242
  4. Step 4: Simplify right side
    30,177x = 4,127,034,564
  5. Step 5: Solve for x
    x = 4,127,034,564/30,177
  6. Step 6: Final answer
    x = 136,760.93

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.