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Finding the Third Proportional to 17,212 and 36,492

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Solution

The third proportional to 17,212 and 36,492 is: 77,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212 : 36,492 = 36,492 : x
  2. Step 2: Convert to fraction form
    17,212/36,492 = 36,492/x
  3. Step 3: Cross multiply
    17,212x = 36,492 × 36,492
  4. Step 4: Simplify right side
    17,212x = 1,331,666,064
  5. Step 5: Solve for x
    x = 1,331,666,064/17,212
  6. Step 6: Final answer
    x = 77,368.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.