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Finding the Third Proportional to 13,472 and 15,944

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Solution

The third proportional to 13,472 and 15,944 is: 18,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472 : 15,944 = 15,944 : x
  2. Step 2: Convert to fraction form
    13,472/15,944 = 15,944/x
  3. Step 3: Cross multiply
    13,472x = 15,944 × 15,944
  4. Step 4: Simplify right side
    13,472x = 254,211,136
  5. Step 5: Solve for x
    x = 254,211,136/13,472
  6. Step 6: Final answer
    x = 18,869.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.