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Finding the Third Proportional to 18,351.50 and 25,535

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Solution

The third proportional to 18,351.50 and 25,535 is: 35,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.50 : 25,535 = 25,535 : x
  2. Step 2: Convert to fraction form
    18,351.50/25,535 = 25,535/x
  3. Step 3: Cross multiply
    18,351.50x = 25,535 × 25,535
  4. Step 4: Simplify right side
    18,351.50x = 652,036,225
  5. Step 5: Solve for x
    x = 652,036,225/18,351.50
  6. Step 6: Final answer
    x = 35,530.40

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.