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Finding the Third Proportional to 103,633,966 and 221,616,839

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Solution

The third proportional to 103,633,966 and 221,616,839 is: 473,918,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633,966 : 221,616,839 = 221,616,839 : x
  2. Step 2: Convert to fraction form
    103,633,966/221,616,839 = 221,616,839/x
  3. Step 3: Cross multiply
    103,633,966x = 221,616,839 × 221,616,839
  4. Step 4: Simplify right side
    103,633,966x = 49,114,023,328,351,920
  5. Step 5: Solve for x
    x = 49,114,023,328,351,920/103,633,966
  6. Step 6: Final answer
    x = 473,918,206.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.