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Finding the Third Proportional to 21,069,521,514 and 30,441,820,103

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Solution

The third proportional to 21,069,521,514 and 30,441,820,103 is: 43,983,173,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069,521,514 : 30,441,820,103 = 30,441,820,103 : x
  2. Step 2: Convert to fraction form
    21,069,521,514/30,441,820,103 = 30,441,820,103/x
  3. Step 3: Cross multiply
    21,069,521,514x = 30,441,820,103 × 30,441,820,103
  4. Step 4: Simplify right side
    21,069,521,514x = 926,704,411,183,414,902,784
  5. Step 5: Solve for x
    x = 926,704,411,183,414,902,784/21,069,521,514
  6. Step 6: Final answer
    x = 43,983,173,066.73

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.