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Finding the Third Proportional to 104,621,028 and 143,616,108

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Solution

The third proportional to 104,621,028 and 143,616,108 is: 197,145,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621,028 : 143,616,108 = 143,616,108 : x
  2. Step 2: Convert to fraction form
    104,621,028/143,616,108 = 143,616,108/x
  3. Step 3: Cross multiply
    104,621,028x = 143,616,108 × 143,616,108
  4. Step 4: Simplify right side
    104,621,028x = 20,625,586,477,067,664
  5. Step 5: Solve for x
    x = 20,625,586,477,067,664/104,621,028
  6. Step 6: Final answer
    x = 197,145,706.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.