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Finding the Third Proportional to 20,443,987 and 43,884,665

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Solution

The third proportional to 20,443,987 and 43,884,665 is: 94,201,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443,987 : 43,884,665 = 43,884,665 : x
  2. Step 2: Convert to fraction form
    20,443,987/43,884,665 = 43,884,665/x
  3. Step 3: Cross multiply
    20,443,987x = 43,884,665 × 43,884,665
  4. Step 4: Simplify right side
    20,443,987x = 1,925,863,822,162,225
  5. Step 5: Solve for x
    x = 1,925,863,822,162,225/20,443,987
  6. Step 6: Final answer
    x = 94,201,968.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.