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Finding the Third Proportional to 131,064 and 207,856

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Solution

The third proportional to 131,064 and 207,856 is: 329,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,064 : 207,856 = 207,856 : x
  2. Step 2: Convert to fraction form
    131,064/207,856 = 207,856/x
  3. Step 3: Cross multiply
    131,064x = 207,856 × 207,856
  4. Step 4: Simplify right side
    131,064x = 43,204,116,736
  5. Step 5: Solve for x
    x = 43,204,116,736/131,064
  6. Step 6: Final answer
    x = 329,641.37

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.