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Finding the Third Proportional to 20,610 and 29,726

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Solution

The third proportional to 20,610 and 29,726 is: 42,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610 : 29,726 = 29,726 : x
  2. Step 2: Convert to fraction form
    20,610/29,726 = 29,726/x
  3. Step 3: Cross multiply
    20,610x = 29,726 × 29,726
  4. Step 4: Simplify right side
    20,610x = 883,635,076
  5. Step 5: Solve for x
    x = 883,635,076/20,610
  6. Step 6: Final answer
    x = 42,874.09

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.