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Finding the Third Proportional to 117,605 and 173,635

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Solution

The third proportional to 117,605 and 173,635 is: 256,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,605 : 173,635 = 173,635 : x
  2. Step 2: Convert to fraction form
    117,605/173,635 = 173,635/x
  3. Step 3: Cross multiply
    117,605x = 173,635 × 173,635
  4. Step 4: Simplify right side
    117,605x = 30,149,113,225
  5. Step 5: Solve for x
    x = 30,149,113,225/117,605
  6. Step 6: Final answer
    x = 256,359.11

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.