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Finding the Third Proportional to 13,472 and 19,743

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Solution

The third proportional to 13,472 and 19,743 is: 28,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472 : 19,743 = 19,743 : x
  2. Step 2: Convert to fraction form
    13,472/19,743 = 19,743/x
  3. Step 3: Cross multiply
    13,472x = 19,743 × 19,743
  4. Step 4: Simplify right side
    13,472x = 389,786,049
  5. Step 5: Solve for x
    x = 389,786,049/13,472
  6. Step 6: Final answer
    x = 28,933.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.