Home / 7,982,544-12,288,768

Finding the Third Proportional to 7,982,544 and 12,288,768

Calculator

Solution

The third proportional to 7,982,544 and 12,288,768 is: 18,918,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982,544 : 12,288,768 = 12,288,768 : x
  2. Step 2: Convert to fraction form
    7,982,544/12,288,768 = 12,288,768/x
  3. Step 3: Cross multiply
    7,982,544x = 12,288,768 × 12,288,768
  4. Step 4: Simplify right side
    7,982,544x = 151,013,818,957,824
  5. Step 5: Solve for x
    x = 151,013,818,957,824/7,982,544
  6. Step 6: Final answer
    x = 18,918,006.46

Related Problems

Find third proportional to 3,991,272 and 6,144,384
Half scale
Find third proportional to 15,965,088 and 24,577,536
Double scale
Find third proportional to 7,982,546 and 12,288,771
Similar ratio
Find third proportional to 11,973,816 and 18,433,152
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.