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Finding the Third Proportional to 13,392 and 16,146

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Solution

The third proportional to 13,392 and 16,146 is: 19,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392 : 16,146 = 16,146 : x
  2. Step 2: Convert to fraction form
    13,392/16,146 = 16,146/x
  3. Step 3: Cross multiply
    13,392x = 16,146 × 16,146
  4. Step 4: Simplify right side
    13,392x = 260,693,316
  5. Step 5: Solve for x
    x = 260,693,316/13,392
  6. Step 6: Final answer
    x = 19,466.35

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.