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Finding the Third Proportional to 291,420,740 and 475,813,463

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Solution

The third proportional to 291,420,740 and 475,813,463 is: 776,878,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,420,740 : 475,813,463 = 475,813,463 : x
  2. Step 2: Convert to fraction form
    291,420,740/475,813,463 = 475,813,463/x
  3. Step 3: Cross multiply
    291,420,740x = 475,813,463 × 475,813,463
  4. Step 4: Simplify right side
    291,420,740x = 226,398,451,572,052,384
  5. Step 5: Solve for x
    x = 226,398,451,572,052,384/291,420,740
  6. Step 6: Final answer
    x = 776,878,308.57

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These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.