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Finding the Third Proportional to 15,691,850 and 33,860,836

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Solution

The third proportional to 15,691,850 and 33,860,836 is: 73,066,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691,850 : 33,860,836 = 33,860,836 : x
  2. Step 2: Convert to fraction form
    15,691,850/33,860,836 = 33,860,836/x
  3. Step 3: Cross multiply
    15,691,850x = 33,860,836 × 33,860,836
  4. Step 4: Simplify right side
    15,691,850x = 1,146,556,214,618,896
  5. Step 5: Solve for x
    x = 1,146,556,214,618,896/15,691,850
  6. Step 6: Final answer
    x = 73,066,987.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.