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Finding the Third Proportional to 13,426 and 19,153

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Solution

The third proportional to 13,426 and 19,153 is: 27,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426 : 19,153 = 19,153 : x
  2. Step 2: Convert to fraction form
    13,426/19,153 = 19,153/x
  3. Step 3: Cross multiply
    13,426x = 19,153 × 19,153
  4. Step 4: Simplify right side
    13,426x = 366,837,409
  5. Step 5: Solve for x
    x = 366,837,409/13,426
  6. Step 6: Final answer
    x = 27,322.91

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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.