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Finding the Third Proportional to 4,069,791,148 and 8,815,694,264

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Solution

The third proportional to 4,069,791,148 and 8,815,694,264 is: 19,095,934,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069,791,148 : 8,815,694,264 = 8,815,694,264 : x
  2. Step 2: Convert to fraction form
    4,069,791,148/8,815,694,264 = 8,815,694,264/x
  3. Step 3: Cross multiply
    4,069,791,148x = 8,815,694,264 × 8,815,694,264
  4. Step 4: Simplify right side
    4,069,791,148x = 77,716,465,356,322,504,704
  5. Step 5: Solve for x
    x = 77,716,465,356,322,504,704/4,069,791,148
  6. Step 6: Final answer
    x = 19,095,934,540.65

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.