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Finding the Third Proportional to 32,274 and 69,492

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Solution

The third proportional to 32,274 and 69,492 is: 149,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,274 : 69,492 = 69,492 : x
  2. Step 2: Convert to fraction form
    32,274/69,492 = 69,492/x
  3. Step 3: Cross multiply
    32,274x = 69,492 × 69,492
  4. Step 4: Simplify right side
    32,274x = 4,829,138,064
  5. Step 5: Solve for x
    x = 4,829,138,064/32,274
  6. Step 6: Final answer
    x = 149,629.36

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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.