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Finding the Third Proportional to 21,979,456 and 32,310,775

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Solution

The third proportional to 21,979,456 and 32,310,775 is: 47,498,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,979,456 : 32,310,775 = 32,310,775 : x
  2. Step 2: Convert to fraction form
    21,979,456/32,310,775 = 32,310,775/x
  3. Step 3: Cross multiply
    21,979,456x = 32,310,775 × 32,310,775
  4. Step 4: Simplify right side
    21,979,456x = 1,043,986,181,100,625
  5. Step 5: Solve for x
    x = 1,043,986,181,100,625/21,979,456
  6. Step 6: Final answer
    x = 47,498,272.07

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.