Home / 66,361,788-138,020,976

Finding the Third Proportional to 66,361,788 and 138,020,976

Calculator

Solution

The third proportional to 66,361,788 and 138,020,976 is: 287,059,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,361,788 : 138,020,976 = 138,020,976 : x
  2. Step 2: Convert to fraction form
    66,361,788/138,020,976 = 138,020,976/x
  3. Step 3: Cross multiply
    66,361,788x = 138,020,976 × 138,020,976
  4. Step 4: Simplify right side
    66,361,788x = 19,049,789,815,992,576
  5. Step 5: Solve for x
    x = 19,049,789,815,992,576/66,361,788
  6. Step 6: Final answer
    x = 287,059,622.56

Related Problems

Find third proportional to 33,180,894 and 69,010,488
Half scale
Find third proportional to 132,723,576 and 276,041,952
Double scale
Find third proportional to 66,361,790 and 138,020,980
Similar ratio
Find third proportional to 99,542,682 and 207,031,464
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.