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Finding the Third Proportional to 103,633,891 and 221,616,686

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Solution

The third proportional to 103,633,891 and 221,616,686 is: 473,917,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633,891 : 221,616,686 = 221,616,686 : x
  2. Step 2: Convert to fraction form
    103,633,891/221,616,686 = 221,616,686/x
  3. Step 3: Cross multiply
    103,633,891x = 221,616,686 × 221,616,686
  4. Step 4: Simplify right side
    103,633,891x = 49,113,955,513,622,592
  5. Step 5: Solve for x
    x = 49,113,955,513,622,592/103,633,891
  6. Step 6: Final answer
    x = 473,917,895.39

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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.