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Finding the Third Proportional to 475,617 and 990,600

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Solution

The third proportional to 475,617 and 990,600 is: 2,063,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,617 : 990,600 = 990,600 : x
  2. Step 2: Convert to fraction form
    475,617/990,600 = 990,600/x
  3. Step 3: Cross multiply
    475,617x = 990,600 × 990,600
  4. Step 4: Simplify right side
    475,617x = 981,288,360,000
  5. Step 5: Solve for x
    x = 981,288,360,000/475,617
  6. Step 6: Final answer
    x = 2,063,190.26

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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.