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Finding the Third Proportional to 5,515,760,258 and 7,739,703,535

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Solution

The third proportional to 5,515,760,258 and 7,739,703,535 is: 10,860,336,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,760,258 : 7,739,703,535 = 7,739,703,535 : x
  2. Step 2: Convert to fraction form
    5,515,760,258/7,739,703,535 = 7,739,703,535/x
  3. Step 3: Cross multiply
    5,515,760,258x = 7,739,703,535 × 7,739,703,535
  4. Step 4: Simplify right side
    5,515,760,258x = 59,903,010,809,691,496,448
  5. Step 5: Solve for x
    x = 59,903,010,809,691,496,448/5,515,760,258
  6. Step 6: Final answer
    x = 10,860,336,201.67

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.