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Finding the Third Proportional to 872,612,676 and 1,938,933,126

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Solution

The third proportional to 872,612,676 and 1,938,933,126 is: 4,308,282,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,612,676 : 1,938,933,126 = 1,938,933,126 : x
  2. Step 2: Convert to fraction form
    872,612,676/1,938,933,126 = 1,938,933,126/x
  3. Step 3: Cross multiply
    872,612,676x = 1,938,933,126 × 1,938,933,126
  4. Step 4: Simplify right side
    872,612,676x = 3,759,461,667,100,131,840
  5. Step 5: Solve for x
    x = 3,759,461,667,100,131,840/872,612,676
  6. Step 6: Final answer
    x = 4,308,282,208.70

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.