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Finding the Third Proportional to 20,997,470 and 43,671,052

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Solution

The third proportional to 20,997,470 and 43,671,052 is: 90,828,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,470 : 43,671,052 = 43,671,052 : x
  2. Step 2: Convert to fraction form
    20,997,470/43,671,052 = 43,671,052/x
  3. Step 3: Cross multiply
    20,997,470x = 43,671,052 × 43,671,052
  4. Step 4: Simplify right side
    20,997,470x = 1,907,160,782,786,704
  5. Step 5: Solve for x
    x = 1,907,160,782,786,704/20,997,470
  6. Step 6: Final answer
    x = 90,828,122.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.