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Finding the Third Proportional to 21,664,554 and 47,579,986

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Solution

The third proportional to 21,664,554 and 47,579,986 is: 104,495,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664,554 : 47,579,986 = 47,579,986 : x
  2. Step 2: Convert to fraction form
    21,664,554/47,579,986 = 47,579,986/x
  3. Step 3: Cross multiply
    21,664,554x = 47,579,986 × 47,579,986
  4. Step 4: Simplify right side
    21,664,554x = 2,263,855,067,760,196
  5. Step 5: Solve for x
    x = 2,263,855,067,760,196/21,664,554
  6. Step 6: Final answer
    x = 104,495,807.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.