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Finding the Third Proportional to 178,237 and 371,217

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Solution

The third proportional to 178,237 and 371,217 is: 773,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,237 : 371,217 = 371,217 : x
  2. Step 2: Convert to fraction form
    178,237/371,217 = 371,217/x
  3. Step 3: Cross multiply
    178,237x = 371,217 × 371,217
  4. Step 4: Simplify right side
    178,237x = 137,802,061,089
  5. Step 5: Solve for x
    x = 137,802,061,089/178,237
  6. Step 6: Final answer
    x = 773,139.48

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.