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Finding the Third Proportional to 20,674 and 45,397

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Solution

The third proportional to 20,674 and 45,397 is: 99,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674 : 45,397 = 45,397 : x
  2. Step 2: Convert to fraction form
    20,674/45,397 = 45,397/x
  3. Step 3: Cross multiply
    20,674x = 45,397 × 45,397
  4. Step 4: Simplify right side
    20,674x = 2,060,887,609
  5. Step 5: Solve for x
    x = 2,060,887,609/20,674
  6. Step 6: Final answer
    x = 99,685.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.