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Finding the Third Proportional to 21,487,702 and 33,320,841

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Solution

The third proportional to 21,487,702 and 33,320,841 is: 51,670,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487,702 : 33,320,841 = 33,320,841 : x
  2. Step 2: Convert to fraction form
    21,487,702/33,320,841 = 33,320,841/x
  3. Step 3: Cross multiply
    21,487,702x = 33,320,841 × 33,320,841
  4. Step 4: Simplify right side
    21,487,702x = 1,110,278,444,947,281
  5. Step 5: Solve for x
    x = 1,110,278,444,947,281/21,487,702
  6. Step 6: Final answer
    x = 51,670,413.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.