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Finding the Third Proportional to 19,612.13 and 30,000.38

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Solution

The third proportional to 19,612.13 and 30,000.38 is: 45,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.13 : 30,000.38 = 30,000.38 : x
  2. Step 2: Convert to fraction form
    19,612.13/30,000.38 = 30,000.38/x
  3. Step 3: Cross multiply
    19,612.13x = 30,000.38 × 30,000.38
  4. Step 4: Simplify right side
    19,612.13x = 900,022,500.14
  5. Step 5: Solve for x
    x = 900,022,500.14/19,612.13
  6. Step 6: Final answer
    x = 45,891.13

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.