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Finding the Third Proportional to 131,180,355 and 287,072,837

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Solution

The third proportional to 131,180,355 and 287,072,837 is: 628,225,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,180,355 : 287,072,837 = 287,072,837 : x
  2. Step 2: Convert to fraction form
    131,180,355/287,072,837 = 287,072,837/x
  3. Step 3: Cross multiply
    131,180,355x = 287,072,837 × 287,072,837
  4. Step 4: Simplify right side
    131,180,355x = 82,410,813,743,228,576
  5. Step 5: Solve for x
    x = 82,410,813,743,228,576/131,180,355
  6. Step 6: Final answer
    x = 628,225,268.51

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.