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Finding the Third Proportional to 13,484 and 19,416

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Solution

The third proportional to 13,484 and 19,416 is: 27,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484 : 19,416 = 19,416 : x
  2. Step 2: Convert to fraction form
    13,484/19,416 = 19,416/x
  3. Step 3: Cross multiply
    13,484x = 19,416 × 19,416
  4. Step 4: Simplify right side
    13,484x = 376,981,056
  5. Step 5: Solve for x
    x = 376,981,056/13,484
  6. Step 6: Final answer
    x = 27,957.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.