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Finding the Third Proportional to 12,572,761,032 and 20,953,338,876

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Solution

The third proportional to 12,572,761,032 and 20,953,338,876 is: 34,920,126,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,761,032 : 20,953,338,876 = 20,953,338,876 : x
  2. Step 2: Convert to fraction form
    12,572,761,032/20,953,338,876 = 20,953,338,876/x
  3. Step 3: Cross multiply
    12,572,761,032x = 20,953,338,876 × 20,953,338,876
  4. Step 4: Simplify right side
    12,572,761,032x = 439,042,410,052,492,918,784
  5. Step 5: Solve for x
    x = 439,042,410,052,492,918,784/12,572,761,032
  6. Step 6: Final answer
    x = 34,920,126,846.84

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.