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Finding the Third Proportional to 8,787,589,349 and 13,263,103,739

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Solution

The third proportional to 8,787,589,349 and 13,263,103,739 is: 20,017,995,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787,589,349 : 13,263,103,739 = 13,263,103,739 : x
  2. Step 2: Convert to fraction form
    8,787,589,349/13,263,103,739 = 13,263,103,739/x
  3. Step 3: Cross multiply
    8,787,589,349x = 13,263,103,739 × 13,263,103,739
  4. Step 4: Simplify right side
    8,787,589,349x = 175,909,920,791,475,781,632
  5. Step 5: Solve for x
    x = 175,909,920,791,475,781,632/8,787,589,349
  6. Step 6: Final answer
    x = 20,017,995,129.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.