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Finding the Third Proportional to 20,489,862 and 43,634,292

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Solution

The third proportional to 20,489,862 and 43,634,292 is: 92,921,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489,862 : 43,634,292 = 43,634,292 : x
  2. Step 2: Convert to fraction form
    20,489,862/43,634,292 = 43,634,292/x
  3. Step 3: Cross multiply
    20,489,862x = 43,634,292 × 43,634,292
  4. Step 4: Simplify right side
    20,489,862x = 1,903,951,438,341,264
  5. Step 5: Solve for x
    x = 1,903,951,438,341,264/20,489,862
  6. Step 6: Final answer
    x = 92,921,633.07

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.