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Finding the Third Proportional to 15,636 and 35,400

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Solution

The third proportional to 15,636 and 35,400 is: 80,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636 : 35,400 = 35,400 : x
  2. Step 2: Convert to fraction form
    15,636/35,400 = 35,400/x
  3. Step 3: Cross multiply
    15,636x = 35,400 × 35,400
  4. Step 4: Simplify right side
    15,636x = 1,253,160,000
  5. Step 5: Solve for x
    x = 1,253,160,000/15,636
  6. Step 6: Final answer
    x = 80,145.82

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.