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Finding the Third Proportional to 21,953,809,882 and 29,620,844,165

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Solution

The third proportional to 21,953,809,882 and 29,620,844,165 is: 39,965,473,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953,809,882 : 29,620,844,165 = 29,620,844,165 : x
  2. Step 2: Convert to fraction form
    21,953,809,882/29,620,844,165 = 29,620,844,165/x
  3. Step 3: Cross multiply
    21,953,809,882x = 29,620,844,165 × 29,620,844,165
  4. Step 4: Simplify right side
    21,953,809,882x = 877,394,409,047,214,522,368
  5. Step 5: Solve for x
    x = 877,394,409,047,214,522,368/21,953,809,882
  6. Step 6: Final answer
    x = 39,965,473,590.38

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.