Home / 918,080-1,988,622

Finding the Third Proportional to 918,080 and 1,988,622

Calculator

Solution

The third proportional to 918,080 and 1,988,622 is: 4,307,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,080 : 1,988,622 = 1,988,622 : x
  2. Step 2: Convert to fraction form
    918,080/1,988,622 = 1,988,622/x
  3. Step 3: Cross multiply
    918,080x = 1,988,622 × 1,988,622
  4. Step 4: Simplify right side
    918,080x = 3,954,617,458,884
  5. Step 5: Solve for x
    x = 3,954,617,458,884/918,080
  6. Step 6: Final answer
    x = 4,307,486.78

Related Problems

Find third proportional to 459,040 and 994,311
Half scale
Find third proportional to 1,836,160 and 3,977,244
Double scale
Find third proportional to 918,082 and 1,988,626
Similar ratio
Find third proportional to 1,377,120 and 2,982,933
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.