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Finding the Third Proportional to 18,803.39 and 29,020.15

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Solution

The third proportional to 18,803.39 and 29,020.15 is: 44,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.39 : 29,020.15 = 29,020.15 : x
  2. Step 2: Convert to fraction form
    18,803.39/29,020.15 = 29,020.15/x
  3. Step 3: Cross multiply
    18,803.39x = 29,020.15 × 29,020.15
  4. Step 4: Simplify right side
    18,803.39x = 842,169,015.33
  5. Step 5: Solve for x
    x = 842,169,015.33/18,803.39
  6. Step 6: Final answer
    x = 44,788.15

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.