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Finding the Third Proportional to 18,859,141,504 and 31,430,008,248

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Solution

The third proportional to 18,859,141,504 and 31,430,008,248 is: 52,380,190,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859,141,504 : 31,430,008,248 = 31,430,008,248 : x
  2. Step 2: Convert to fraction form
    18,859,141,504/31,430,008,248 = 31,430,008,248/x
  3. Step 3: Cross multiply
    18,859,141,504x = 31,430,008,248 × 31,430,008,248
  4. Step 4: Simplify right side
    18,859,141,504x = 987,845,418,469,348,081,664
  5. Step 5: Solve for x
    x = 987,845,418,469,348,081,664/18,859,141,504
  6. Step 6: Final answer
    x = 52,380,190,172.49

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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.