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Finding the Third Proportional to 290,774,195 and 436,374,162

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Solution

The third proportional to 290,774,195 and 436,374,162 is: 654,880,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,774,195 : 436,374,162 = 436,374,162 : x
  2. Step 2: Convert to fraction form
    290,774,195/436,374,162 = 436,374,162/x
  3. Step 3: Cross multiply
    290,774,195x = 436,374,162 × 436,374,162
  4. Step 4: Simplify right side
    290,774,195x = 190,422,409,261,202,240
  5. Step 5: Solve for x
    x = 190,422,409,261,202,240/290,774,195
  6. Step 6: Final answer
    x = 654,880,703.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.