Home / 978,720-1,449,888

Finding the Third Proportional to 978,720 and 1,449,888

Calculator

Solution

The third proportional to 978,720 and 1,449,888 is: 2,147,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,720 : 1,449,888 = 1,449,888 : x
  2. Step 2: Convert to fraction form
    978,720/1,449,888 = 1,449,888/x
  3. Step 3: Cross multiply
    978,720x = 1,449,888 × 1,449,888
  4. Step 4: Simplify right side
    978,720x = 2,102,175,212,544
  5. Step 5: Solve for x
    x = 2,102,175,212,544/978,720
  6. Step 6: Final answer
    x = 2,147,882.14

Related Problems

Find third proportional to 489,360 and 724,944
Half scale
Find third proportional to 1,957,440 and 2,899,776
Double scale
Find third proportional to 978,722 and 1,449,891
Similar ratio
Find third proportional to 1,468,080 and 2,174,832
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.