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Finding the Third Proportional to 17,520 and 36,516

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Solution

The third proportional to 17,520 and 36,516 is: 76,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520 : 36,516 = 36,516 : x
  2. Step 2: Convert to fraction form
    17,520/36,516 = 36,516/x
  3. Step 3: Cross multiply
    17,520x = 36,516 × 36,516
  4. Step 4: Simplify right side
    17,520x = 1,333,418,256
  5. Step 5: Solve for x
    x = 1,333,418,256/17,520
  6. Step 6: Final answer
    x = 76,108.35

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.