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Finding the Third Proportional to 13,788 and 19,224

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Solution

The third proportional to 13,788 and 19,224 is: 26,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788 : 19,224 = 19,224 : x
  2. Step 2: Convert to fraction form
    13,788/19,224 = 19,224/x
  3. Step 3: Cross multiply
    13,788x = 19,224 × 19,224
  4. Step 4: Simplify right side
    13,788x = 369,562,176
  5. Step 5: Solve for x
    x = 369,562,176/13,788
  6. Step 6: Final answer
    x = 26,803.17

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.