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Finding the Third Proportional to 8,160.75 and 18,142.88

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Solution

The third proportional to 8,160.75 and 18,142.88 is: 40,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.75 : 18,142.88 = 18,142.88 : x
  2. Step 2: Convert to fraction form
    8,160.75/18,142.88 = 18,142.88/x
  3. Step 3: Cross multiply
    8,160.75x = 18,142.88 × 18,142.88
  4. Step 4: Simplify right side
    8,160.75x = 329,163,913.27
  5. Step 5: Solve for x
    x = 329,163,913.27/8,160.75
  6. Step 6: Final answer
    x = 40,335.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.