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Finding the Third Proportional to 103,633,885 and 221,616,674

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Solution

The third proportional to 103,633,885 and 221,616,674 is: 473,917,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633,885 : 221,616,674 = 221,616,674 : x
  2. Step 2: Convert to fraction form
    103,633,885/221,616,674 = 221,616,674/x
  3. Step 3: Cross multiply
    103,633,885x = 221,616,674 × 221,616,674
  4. Step 4: Simplify right side
    103,633,885x = 49,113,950,194,822,272
  5. Step 5: Solve for x
    x = 49,113,950,194,822,272/103,633,885
  6. Step 6: Final answer
    x = 473,917,871.50

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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.