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Finding the Third Proportional to 18,154.13 and 25,818.75

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Solution

The third proportional to 18,154.13 and 25,818.75 is: 36,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.13 : 25,818.75 = 25,818.75 : x
  2. Step 2: Convert to fraction form
    18,154.13/25,818.75 = 25,818.75/x
  3. Step 3: Cross multiply
    18,154.13x = 25,818.75 × 25,818.75
  4. Step 4: Simplify right side
    18,154.13x = 666,607,851.56
  5. Step 5: Solve for x
    x = 666,607,851.56/18,154.13
  6. Step 6: Final answer
    x = 36,719.36

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.