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Finding the Third Proportional to 20,979,021 and 32,400,195

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Solution

The third proportional to 20,979,021 and 32,400,195 is: 50,039,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,979,021 : 32,400,195 = 32,400,195 : x
  2. Step 2: Convert to fraction form
    20,979,021/32,400,195 = 32,400,195/x
  3. Step 3: Cross multiply
    20,979,021x = 32,400,195 × 32,400,195
  4. Step 4: Simplify right side
    20,979,021x = 1,049,772,636,038,025
  5. Step 5: Solve for x
    x = 1,049,772,636,038,025/20,979,021
  6. Step 6: Final answer
    x = 50,039,162.27

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.