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Finding the Third Proportional to 5,287,448,091 and 7,910,208,383

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Solution

The third proportional to 5,287,448,091 and 7,910,208,383 is: 11,833,950,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287,448,091 : 7,910,208,383 = 7,910,208,383 : x
  2. Step 2: Convert to fraction form
    5,287,448,091/7,910,208,383 = 7,910,208,383/x
  3. Step 3: Cross multiply
    5,287,448,091x = 7,910,208,383 × 7,910,208,383
  4. Step 4: Simplify right side
    5,287,448,091x = 62,571,396,662,483,476,480
  5. Step 5: Solve for x
    x = 62,571,396,662,483,476,480/5,287,448,091
  6. Step 6: Final answer
    x = 11,833,950,061.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.