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Finding the Third Proportional to 12,572,761,034 and 20,953,338,879

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Solution

The third proportional to 12,572,761,034 and 20,953,338,879 is: 34,920,126,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,761,034 : 20,953,338,879 = 20,953,338,879 : x
  2. Step 2: Convert to fraction form
    12,572,761,034/20,953,338,879 = 20,953,338,879/x
  3. Step 3: Cross multiply
    12,572,761,034x = 20,953,338,879 × 20,953,338,879
  4. Step 4: Simplify right side
    12,572,761,034x = 439,042,410,178,212,986,880
  5. Step 5: Solve for x
    x = 439,042,410,178,212,986,880/12,572,761,034
  6. Step 6: Final answer
    x = 34,920,126,851.29

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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.