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Finding the Third Proportional to 136,230 and 296,982

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Solution

The third proportional to 136,230 and 296,982 is: 647,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,230 : 296,982 = 296,982 : x
  2. Step 2: Convert to fraction form
    136,230/296,982 = 296,982/x
  3. Step 3: Cross multiply
    136,230x = 296,982 × 296,982
  4. Step 4: Simplify right side
    136,230x = 88,198,308,324
  5. Step 5: Solve for x
    x = 88,198,308,324/136,230
  6. Step 6: Final answer
    x = 647,422.07

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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.