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Finding the Third Proportional to 1,606,909 and 2,490,189

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Solution

The third proportional to 1,606,909 and 2,490,189 is: 3,858,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,909 : 2,490,189 = 2,490,189 : x
  2. Step 2: Convert to fraction form
    1,606,909/2,490,189 = 2,490,189/x
  3. Step 3: Cross multiply
    1,606,909x = 2,490,189 × 2,490,189
  4. Step 4: Simplify right side
    1,606,909x = 6,201,041,255,721
  5. Step 5: Solve for x
    x = 6,201,041,255,721/1,606,909
  6. Step 6: Final answer
    x = 3,858,987.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.