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Finding the Third Proportional to 137,326 and 289,414

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Solution

The third proportional to 137,326 and 289,414 is: 609,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,326 : 289,414 = 289,414 : x
  2. Step 2: Convert to fraction form
    137,326/289,414 = 289,414/x
  3. Step 3: Cross multiply
    137,326x = 289,414 × 289,414
  4. Step 4: Simplify right side
    137,326x = 83,760,463,396
  5. Step 5: Solve for x
    x = 83,760,463,396/137,326
  6. Step 6: Final answer
    x = 609,938.86

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.