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Finding the Third Proportional to 322,790,555 and 668,549,389

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Solution

The third proportional to 322,790,555 and 668,549,389 is: 1,384,669,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,790,555 : 668,549,389 = 668,549,389 : x
  2. Step 2: Convert to fraction form
    322,790,555/668,549,389 = 668,549,389/x
  3. Step 3: Cross multiply
    322,790,555x = 668,549,389 × 668,549,389
  4. Step 4: Simplify right side
    322,790,555x = 446,958,285,532,273,344
  5. Step 5: Solve for x
    x = 446,958,285,532,273,344/322,790,555
  6. Step 6: Final answer
    x = 1,384,669,652.22

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.