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Finding the Third Proportional to 322,790,553 and 668,549,385

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Solution

The third proportional to 322,790,553 and 668,549,385 is: 1,384,669,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,790,553 : 668,549,385 = 668,549,385 : x
  2. Step 2: Convert to fraction form
    322,790,553/668,549,385 = 668,549,385/x
  3. Step 3: Cross multiply
    322,790,553x = 668,549,385 × 668,549,385
  4. Step 4: Simplify right side
    322,790,553x = 446,958,280,183,878,208
  5. Step 5: Solve for x
    x = 446,958,280,183,878,208/322,790,553
  6. Step 6: Final answer
    x = 1,384,669,644.23

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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.