Home / 660,966-891,800

Finding the Third Proportional to 660,966 and 891,800

Calculator

Solution

The third proportional to 660,966 and 891,800 is: 1,203,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,966 : 891,800 = 891,800 : x
  2. Step 2: Convert to fraction form
    660,966/891,800 = 891,800/x
  3. Step 3: Cross multiply
    660,966x = 891,800 × 891,800
  4. Step 4: Simplify right side
    660,966x = 795,307,240,000
  5. Step 5: Solve for x
    x = 795,307,240,000/660,966
  6. Step 6: Final answer
    x = 1,203,249.85

Related Problems

Find third proportional to 330,483 and 445,900
Half scale
Find third proportional to 1,321,932 and 1,783,600
Double scale
Find third proportional to 660,968 and 891,803
Similar ratio
Find third proportional to 991,449 and 1,337,700
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.