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Finding the Third Proportional to 21,953,809,884 and 29,620,844,168

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Solution

The third proportional to 21,953,809,884 and 29,620,844,168 is: 39,965,473,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953,809,884 : 29,620,844,168 = 29,620,844,168 : x
  2. Step 2: Convert to fraction form
    21,953,809,884/29,620,844,168 = 29,620,844,168/x
  3. Step 3: Cross multiply
    21,953,809,884x = 29,620,844,168 × 29,620,844,168
  4. Step 4: Simplify right side
    21,953,809,884x = 877,394,409,224,939,634,688
  5. Step 5: Solve for x
    x = 877,394,409,224,939,634,688/21,953,809,884
  6. Step 6: Final answer
    x = 39,965,473,594.83

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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.