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Finding the Third Proportional to 143,927,686 and 210,493,589

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Solution

The third proportional to 143,927,686 and 210,493,589 is: 307,845,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,927,686 : 210,493,589 = 210,493,589 : x
  2. Step 2: Convert to fraction form
    143,927,686/210,493,589 = 210,493,589/x
  3. Step 3: Cross multiply
    143,927,686x = 210,493,589 × 210,493,589
  4. Step 4: Simplify right side
    143,927,686x = 44,307,551,010,100,920
  5. Step 5: Solve for x
    x = 44,307,551,010,100,920/143,927,686
  6. Step 6: Final answer
    x = 307,845,920.69

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.