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Finding the Third Proportional to 136,028 and 296,144

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Solution

The third proportional to 136,028 and 296,144 is: 644,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,028 : 296,144 = 296,144 : x
  2. Step 2: Convert to fraction form
    136,028/296,144 = 296,144/x
  3. Step 3: Cross multiply
    136,028x = 296,144 × 296,144
  4. Step 4: Simplify right side
    136,028x = 87,701,268,736
  5. Step 5: Solve for x
    x = 87,701,268,736/136,028
  6. Step 6: Final answer
    x = 644,729.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.