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Finding the Third Proportional to 8,906.04 and 18,905.59

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Solution

The third proportional to 8,906.04 and 18,905.59 is: 40,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.04 : 18,905.59 = 18,905.59 : x
  2. Step 2: Convert to fraction form
    8,906.04/18,905.59 = 18,905.59/x
  3. Step 3: Cross multiply
    8,906.04x = 18,905.59 × 18,905.59
  4. Step 4: Simplify right side
    8,906.04x = 357,421,327.34
  5. Step 5: Solve for x
    x = 357,421,327.34/8,906.04
  6. Step 6: Final answer
    x = 40,132.44

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.