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Finding the Third Proportional to 203,779,157 and 447,591,278

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Solution

The third proportional to 203,779,157 and 447,591,278 is: 983,113,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,779,157 : 447,591,278 = 447,591,278 : x
  2. Step 2: Convert to fraction form
    203,779,157/447,591,278 = 447,591,278/x
  3. Step 3: Cross multiply
    203,779,157x = 447,591,278 × 447,591,278
  4. Step 4: Simplify right side
    203,779,157x = 200,337,952,141,673,280
  5. Step 5: Solve for x
    x = 200,337,952,141,673,280/203,779,157
  6. Step 6: Final answer
    x = 983,113,067.55

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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.