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Finding the Third Proportional to 103,633,991 and 221,616,888

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Solution

The third proportional to 103,633,991 and 221,616,888 is: 473,918,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633,991 : 221,616,888 = 221,616,888 : x
  2. Step 2: Convert to fraction form
    103,633,991/221,616,888 = 221,616,888/x
  3. Step 3: Cross multiply
    103,633,991x = 221,616,888 × 221,616,888
  4. Step 4: Simplify right side
    103,633,991x = 49,114,045,046,804,544
  5. Step 5: Solve for x
    x = 49,114,045,046,804,544/103,633,991
  6. Step 6: Final answer
    x = 473,918,302.03

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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.