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Finding the Third Proportional to 72,635 and 156,941

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Solution

The third proportional to 72,635 and 156,941 is: 339,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,635 : 156,941 = 156,941 : x
  2. Step 2: Convert to fraction form
    72,635/156,941 = 156,941/x
  3. Step 3: Cross multiply
    72,635x = 156,941 × 156,941
  4. Step 4: Simplify right side
    72,635x = 24,630,477,481
  5. Step 5: Solve for x
    x = 24,630,477,481/72,635
  6. Step 6: Final answer
    x = 339,099.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.