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Finding the Third Proportional to 1,691,176,628 and 2,587,310,880

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Solution

The third proportional to 1,691,176,628 and 2,587,310,880 is: 3,958,295,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,176,628 : 2,587,310,880 = 2,587,310,880 : x
  2. Step 2: Convert to fraction form
    1,691,176,628/2,587,310,880 = 2,587,310,880/x
  3. Step 3: Cross multiply
    1,691,176,628x = 2,587,310,880 × 2,587,310,880
  4. Step 4: Simplify right side
    1,691,176,628x = 6,694,177,589,766,374,400
  5. Step 5: Solve for x
    x = 6,694,177,589,766,374,400/1,691,176,628
  6. Step 6: Final answer
    x = 3,958,295,945.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.