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Finding the Third Proportional to 171,343 and 371,289

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Solution

The third proportional to 171,343 and 371,289 is: 804,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,343 : 371,289 = 371,289 : x
  2. Step 2: Convert to fraction form
    171,343/371,289 = 371,289/x
  3. Step 3: Cross multiply
    171,343x = 371,289 × 371,289
  4. Step 4: Simplify right side
    171,343x = 137,855,521,521
  5. Step 5: Solve for x
    x = 137,855,521,521/171,343
  6. Step 6: Final answer
    x = 804,558.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.