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Finding the Third Proportional to 13,918 and 19,932

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Solution

The third proportional to 13,918 and 19,932 is: 28,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918 : 19,932 = 19,932 : x
  2. Step 2: Convert to fraction form
    13,918/19,932 = 19,932/x
  3. Step 3: Cross multiply
    13,918x = 19,932 × 19,932
  4. Step 4: Simplify right side
    13,918x = 397,284,624
  5. Step 5: Solve for x
    x = 397,284,624/13,918
  6. Step 6: Final answer
    x = 28,544.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.