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Finding the Third Proportional to 173,013 and 371,890

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Solution

The third proportional to 173,013 and 371,890 is: 799,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,013 : 371,890 = 371,890 : x
  2. Step 2: Convert to fraction form
    173,013/371,890 = 371,890/x
  3. Step 3: Cross multiply
    173,013x = 371,890 × 371,890
  4. Step 4: Simplify right side
    173,013x = 138,302,172,100
  5. Step 5: Solve for x
    x = 138,302,172,100/173,013
  6. Step 6: Final answer
    x = 799,374.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.