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Finding the Third Proportional to 10,520 and 22,660

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Solution

The third proportional to 10,520 and 22,660 is: 48,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520 : 22,660 = 22,660 : x
  2. Step 2: Convert to fraction form
    10,520/22,660 = 22,660/x
  3. Step 3: Cross multiply
    10,520x = 22,660 × 22,660
  4. Step 4: Simplify right side
    10,520x = 513,475,600
  5. Step 5: Solve for x
    x = 513,475,600/10,520
  6. Step 6: Final answer
    x = 48,809.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.