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Finding the Third Proportional to 13,386 and 19,002

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Solution

The third proportional to 13,386 and 19,002 is: 26,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386 : 19,002 = 19,002 : x
  2. Step 2: Convert to fraction form
    13,386/19,002 = 19,002/x
  3. Step 3: Cross multiply
    13,386x = 19,002 × 19,002
  4. Step 4: Simplify right side
    13,386x = 361,076,004
  5. Step 5: Solve for x
    x = 361,076,004/13,386
  6. Step 6: Final answer
    x = 26,974.15

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.