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Finding the Third Proportional to 76,675,402 and 165,042,505

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Solution

The third proportional to 76,675,402 and 165,042,505 is: 355,251,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,675,402 : 165,042,505 = 165,042,505 : x
  2. Step 2: Convert to fraction form
    76,675,402/165,042,505 = 165,042,505/x
  3. Step 3: Cross multiply
    76,675,402x = 165,042,505 × 165,042,505
  4. Step 4: Simplify right side
    76,675,402x = 27,239,028,456,675,024
  5. Step 5: Solve for x
    x = 27,239,028,456,675,024/76,675,402
  6. Step 6: Final answer
    x = 355,251,198.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.