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Finding the Third Proportional to 8,684.25 and 13,451.63

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Solution

The third proportional to 8,684.25 and 13,451.63 is: 20,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.25 : 13,451.63 = 13,451.63 : x
  2. Step 2: Convert to fraction form
    8,684.25/13,451.63 = 13,451.63/x
  3. Step 3: Cross multiply
    8,684.25x = 13,451.63 × 13,451.63
  4. Step 4: Simplify right side
    8,684.25x = 180,946,215.14
  5. Step 5: Solve for x
    x = 180,946,215.14/8,684.25
  6. Step 6: Final answer
    x = 20,836.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.