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Finding the Third Proportional to 55,458,690 and 119,686,152

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Solution

The third proportional to 55,458,690 and 119,686,152 is: 258,296,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,458,690 : 119,686,152 = 119,686,152 : x
  2. Step 2: Convert to fraction form
    55,458,690/119,686,152 = 119,686,152/x
  3. Step 3: Cross multiply
    55,458,690x = 119,686,152 × 119,686,152
  4. Step 4: Simplify right side
    55,458,690x = 14,324,774,980,567,104
  5. Step 5: Solve for x
    x = 14,324,774,980,567,104/55,458,690
  6. Step 6: Final answer
    x = 258,296,309.93

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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.