Home / 7,838,772-11,991,438

Finding the Third Proportional to 7,838,772 and 11,991,438

Calculator

Solution

The third proportional to 7,838,772 and 11,991,438 is: 18,344,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,772 : 11,991,438 = 11,991,438 : x
  2. Step 2: Convert to fraction form
    7,838,772/11,991,438 = 11,991,438/x
  3. Step 3: Cross multiply
    7,838,772x = 11,991,438 × 11,991,438
  4. Step 4: Simplify right side
    7,838,772x = 143,794,585,307,844
  5. Step 5: Solve for x
    x = 143,794,585,307,844/7,838,772
  6. Step 6: Final answer
    x = 18,344,019.36

Related Problems

Find third proportional to 3,919,386 and 5,995,719
Half scale
Find third proportional to 15,677,544 and 23,982,876
Double scale
Find third proportional to 7,838,774 and 11,991,441
Similar ratio
Find third proportional to 11,758,158 and 17,987,157
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.