Home / 686,722-1,491,660

Finding the Third Proportional to 686,722 and 1,491,660

Calculator

Solution

The third proportional to 686,722 and 1,491,660 is: 3,240,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,722 : 1,491,660 = 1,491,660 : x
  2. Step 2: Convert to fraction form
    686,722/1,491,660 = 1,491,660/x
  3. Step 3: Cross multiply
    686,722x = 1,491,660 × 1,491,660
  4. Step 4: Simplify right side
    686,722x = 2,225,049,555,600
  5. Step 5: Solve for x
    x = 2,225,049,555,600/686,722
  6. Step 6: Final answer
    x = 3,240,102.33

Related Problems

Find third proportional to 343,361 and 745,830
Half scale
Find third proportional to 1,373,444 and 2,983,320
Double scale
Find third proportional to 686,724 and 1,491,664
Similar ratio
Find third proportional to 1,030,083 and 2,237,490
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.