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Finding the Third Proportional to 18,108.02 and 26,620.22

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Solution

The third proportional to 18,108.02 and 26,620.22 is: 39,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.02 : 26,620.22 = 26,620.22 : x
  2. Step 2: Convert to fraction form
    18,108.02/26,620.22 = 26,620.22/x
  3. Step 3: Cross multiply
    18,108.02x = 26,620.22 × 26,620.22
  4. Step 4: Simplify right side
    18,108.02x = 708,636,343.63
  5. Step 5: Solve for x
    x = 708,636,343.63/18,108.02
  6. Step 6: Final answer
    x = 39,133.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.