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Finding the Third Proportional to 8,347.22 and 17,990.44

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Solution

The third proportional to 8,347.22 and 17,990.44 is: 38,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.22 : 17,990.44 = 17,990.44 : x
  2. Step 2: Convert to fraction form
    8,347.22/17,990.44 = 17,990.44/x
  3. Step 3: Cross multiply
    8,347.22x = 17,990.44 × 17,990.44
  4. Step 4: Simplify right side
    8,347.22x = 323,655,841.44
  5. Step 5: Solve for x
    x = 323,655,841.44/8,347.22
  6. Step 6: Final answer
    x = 38,774.09

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.