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Finding the Third Proportional to 55,458,679 and 119,686,135

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Solution

The third proportional to 55,458,679 and 119,686,135 is: 258,296,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,458,679 : 119,686,135 = 119,686,135 : x
  2. Step 2: Convert to fraction form
    55,458,679/119,686,135 = 119,686,135/x
  3. Step 3: Cross multiply
    55,458,679x = 119,686,135 × 119,686,135
  4. Step 4: Simplify right side
    55,458,679x = 14,324,770,911,238,224
  5. Step 5: Solve for x
    x = 14,324,770,911,238,224/55,458,679
  6. Step 6: Final answer
    x = 258,296,287.79

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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.