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Finding the Third Proportional to 103,687 and 160,391

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Solution

The third proportional to 103,687 and 160,391 is: 248,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687 : 160,391 = 160,391 : x
  2. Step 2: Convert to fraction form
    103,687/160,391 = 160,391/x
  3. Step 3: Cross multiply
    103,687x = 160,391 × 160,391
  4. Step 4: Simplify right side
    103,687x = 25,725,272,881
  5. Step 5: Solve for x
    x = 25,725,272,881/103,687
  6. Step 6: Final answer
    x = 248,105.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.