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Finding the Third Proportional to 55,870,236 and 122,129,208

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Solution

The third proportional to 55,870,236 and 122,129,208 is: 266,967,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,870,236 : 122,129,208 = 122,129,208 : x
  2. Step 2: Convert to fraction form
    55,870,236/122,129,208 = 122,129,208/x
  3. Step 3: Cross multiply
    55,870,236x = 122,129,208 × 122,129,208
  4. Step 4: Simplify right side
    55,870,236x = 14,915,543,446,707,264
  5. Step 5: Solve for x
    x = 14,915,543,446,707,264/55,870,236
  6. Step 6: Final answer
    x = 266,967,611.28

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.