Home / 30,609,556.31-66,599,859.09

Finding the Third Proportional to 30,609,556.31 and 66,599,859.09

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Solution

The third proportional to 30,609,556.31 and 66,599,859.09 is: 144,907,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,609,556.31 : 66,599,859.09 = 66,599,859.09 : x
  2. Step 2: Convert to fraction form
    30,609,556.31/66,599,859.09 = 66,599,859.09/x
  3. Step 3: Cross multiply
    30,609,556.31x = 66,599,859.09 × 66,599,859.09
  4. Step 4: Simplify right side
    30,609,556.31x = 4,435,541,231,307,354.50
  5. Step 5: Solve for x
    x = 4,435,541,231,307,354.50/30,609,556.31
  6. Step 6: Final answer
    x = 144,907,073.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.