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Finding the Third Proportional to 21,704,782 and 47,183,518

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Solution

The third proportional to 21,704,782 and 47,183,518 is: 102,571,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704,782 : 47,183,518 = 47,183,518 : x
  2. Step 2: Convert to fraction form
    21,704,782/47,183,518 = 47,183,518/x
  3. Step 3: Cross multiply
    21,704,782x = 47,183,518 × 47,183,518
  4. Step 4: Simplify right side
    21,704,782x = 2,226,284,370,856,324
  5. Step 5: Solve for x
    x = 2,226,284,370,856,324/21,704,782
  6. Step 6: Final answer
    x = 102,571,146.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.