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Finding the Third Proportional to 28,020,843 and 61,558,121

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Solution

The third proportional to 28,020,843 and 61,558,121 is: 135,235,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,020,843 : 61,558,121 = 61,558,121 : x
  2. Step 2: Convert to fraction form
    28,020,843/61,558,121 = 61,558,121/x
  3. Step 3: Cross multiply
    28,020,843x = 61,558,121 × 61,558,121
  4. Step 4: Simplify right side
    28,020,843x = 3,789,402,261,050,641
  5. Step 5: Solve for x
    x = 3,789,402,261,050,641/28,020,843
  6. Step 6: Final answer
    x = 135,235,126.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.