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Finding the Third Proportional to 20,496 and 30,015

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Solution

The third proportional to 20,496 and 30,015 is: 43,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496 : 30,015 = 30,015 : x
  2. Step 2: Convert to fraction form
    20,496/30,015 = 30,015/x
  3. Step 3: Cross multiply
    20,496x = 30,015 × 30,015
  4. Step 4: Simplify right side
    20,496x = 900,900,225
  5. Step 5: Solve for x
    x = 900,900,225/20,496
  6. Step 6: Final answer
    x = 43,954.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.