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Finding the Third Proportional to 629,808,678 and 1,374,230,748

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Solution

The third proportional to 629,808,678 and 1,374,230,748 is: 2,998,545,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,808,678 : 1,374,230,748 = 1,374,230,748 : x
  2. Step 2: Convert to fraction form
    629,808,678/1,374,230,748 = 1,374,230,748/x
  3. Step 3: Cross multiply
    629,808,678x = 1,374,230,748 × 1,374,230,748
  4. Step 4: Simplify right side
    629,808,678x = 1,888,510,148,748,639,488
  5. Step 5: Solve for x
    x = 1,888,510,148,748,639,488/629,808,678
  6. Step 6: Final answer
    x = 2,998,545,772.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.