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Finding the Third Proportional to 13,072 and 17,646

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Solution

The third proportional to 13,072 and 17,646 is: 23,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072 : 17,646 = 17,646 : x
  2. Step 2: Convert to fraction form
    13,072/17,646 = 17,646/x
  3. Step 3: Cross multiply
    13,072x = 17,646 × 17,646
  4. Step 4: Simplify right side
    13,072x = 311,381,316
  5. Step 5: Solve for x
    x = 311,381,316/13,072
  6. Step 6: Final answer
    x = 23,820.48

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.