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Finding the Third Proportional to 21,297,637 and 46,647,557

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Solution

The third proportional to 21,297,637 and 46,647,557 is: 102,170,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297,637 : 46,647,557 = 46,647,557 : x
  2. Step 2: Convert to fraction form
    21,297,637/46,647,557 = 46,647,557/x
  3. Step 3: Cross multiply
    21,297,637x = 46,647,557 × 46,647,557
  4. Step 4: Simplify right side
    21,297,637x = 2,175,994,574,068,249
  5. Step 5: Solve for x
    x = 2,175,994,574,068,249/21,297,637
  6. Step 6: Final answer
    x = 102,170,704.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.