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Finding the Third Proportional to 103,633,980 and 221,616,866

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Solution

The third proportional to 103,633,980 and 221,616,866 is: 473,918,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633,980 : 221,616,866 = 221,616,866 : x
  2. Step 2: Convert to fraction form
    103,633,980/221,616,866 = 221,616,866/x
  3. Step 3: Cross multiply
    103,633,980x = 221,616,866 × 221,616,866
  4. Step 4: Simplify right side
    103,633,980x = 49,114,035,295,661,952
  5. Step 5: Solve for x
    x = 49,114,035,295,661,952/103,633,980
  6. Step 6: Final answer
    x = 473,918,258.24

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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.