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Finding the Third Proportional to 358,958,606 and 780,810,474

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Solution

The third proportional to 358,958,606 and 780,810,474 is: 1,698,427,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,958,606 : 780,810,474 = 780,810,474 : x
  2. Step 2: Convert to fraction form
    358,958,606/780,810,474 = 780,810,474/x
  3. Step 3: Cross multiply
    358,958,606x = 780,810,474 × 780,810,474
  4. Step 4: Simplify right side
    358,958,606x = 609,664,996,308,104,704
  5. Step 5: Solve for x
    x = 609,664,996,308,104,704/358,958,606
  6. Step 6: Final answer
    x = 1,698,427,022.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.