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Finding the Third Proportional to 12,572,761,036 and 20,953,338,882

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Solution

The third proportional to 12,572,761,036 and 20,953,338,882 is: 34,920,126,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,761,036 : 20,953,338,882 = 20,953,338,882 : x
  2. Step 2: Convert to fraction form
    12,572,761,036/20,953,338,882 = 20,953,338,882/x
  3. Step 3: Cross multiply
    12,572,761,036x = 20,953,338,882 × 20,953,338,882
  4. Step 4: Simplify right side
    12,572,761,036x = 439,042,410,303,932,989,440
  5. Step 5: Solve for x
    x = 439,042,410,303,932,989,440/12,572,761,036
  6. Step 6: Final answer
    x = 34,920,126,855.73

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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.