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Finding the Third Proportional to 19,993,741,515 and 41,642,353,206

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Solution

The third proportional to 19,993,741,515 and 41,642,353,206 is: 86,731,419,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993,741,515 : 41,642,353,206 = 41,642,353,206 : x
  2. Step 2: Convert to fraction form
    19,993,741,515/41,642,353,206 = 41,642,353,206/x
  3. Step 3: Cross multiply
    19,993,741,515x = 41,642,353,206 × 41,642,353,206
  4. Step 4: Simplify right side
    19,993,741,515x = 1,734,085,580,533,258,518,528
  5. Step 5: Solve for x
    x = 1,734,085,580,533,258,518,528/19,993,741,515
  6. Step 6: Final answer
    x = 86,731,419,391.03

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.