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Finding the Third Proportional to 8,821,887,132 and 13,658,222,826

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Solution

The third proportional to 8,821,887,132 and 13,658,222,826 is: 21,145,934,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,887,132 : 13,658,222,826 = 13,658,222,826 : x
  2. Step 2: Convert to fraction form
    8,821,887,132/13,658,222,826 = 13,658,222,826/x
  3. Step 3: Cross multiply
    8,821,887,132x = 13,658,222,826 × 13,658,222,826
  4. Step 4: Simplify right side
    8,821,887,132x = 186,547,050,764,667,420,672
  5. Step 5: Solve for x
    x = 186,547,050,764,667,420,672/8,821,887,132
  6. Step 6: Final answer
    x = 21,145,934,874.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.