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Finding the Third Proportional to 13,109,546,990 and 19,166,616,021

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Solution

The third proportional to 13,109,546,990 and 19,166,616,021 is: 28,022,262,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109,546,990 : 19,166,616,021 = 19,166,616,021 : x
  2. Step 2: Convert to fraction form
    13,109,546,990/19,166,616,021 = 19,166,616,021/x
  3. Step 3: Cross multiply
    13,109,546,990x = 19,166,616,021 × 19,166,616,021
  4. Step 4: Simplify right side
    13,109,546,990x = 367,359,169,696,453,885,952
  5. Step 5: Solve for x
    x = 367,359,169,696,453,885,952/13,109,546,990
  6. Step 6: Final answer
    x = 28,022,262,704.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.