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Finding the Third Proportional to 18,644.06 and 36,343.13

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Solution

The third proportional to 18,644.06 and 36,343.13 is: 70,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.06 : 36,343.13 = 36,343.13 : x
  2. Step 2: Convert to fraction form
    18,644.06/36,343.13 = 36,343.13/x
  3. Step 3: Cross multiply
    18,644.06x = 36,343.13 × 36,343.13
  4. Step 4: Simplify right side
    18,644.06x = 1,320,822,734.77
  5. Step 5: Solve for x
    x = 1,320,822,734.77/18,644.06
  6. Step 6: Final answer
    x = 70,844.15

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.