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Finding the Third Proportional to 15,691,816.13 and 33,860,774.25

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Solution

The third proportional to 15,691,816.13 and 33,860,774.25 is: 73,066,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691,816.13 : 33,860,774.25 = 33,860,774.25 : x
  2. Step 2: Convert to fraction form
    15,691,816.13/33,860,774.25 = 33,860,774.25/x
  3. Step 3: Cross multiply
    15,691,816.13x = 33,860,774.25 × 33,860,774.25
  4. Step 4: Simplify right side
    15,691,816.13x = 1,146,552,032,809,463
  5. Step 5: Solve for x
    x = 1,146,552,032,809,463/15,691,816.13
  6. Step 6: Final answer
    x = 73,066,879.17

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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.