Home / 889,719.75-1,378,820.25

Finding the Third Proportional to 889,719.75 and 1,378,820.25

Calculator

Solution

The third proportional to 889,719.75 and 1,378,820.25 is: 2,136,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,719.75 : 1,378,820.25 = 1,378,820.25 : x
  2. Step 2: Convert to fraction form
    889,719.75/1,378,820.25 = 1,378,820.25/x
  3. Step 3: Cross multiply
    889,719.75x = 1,378,820.25 × 1,378,820.25
  4. Step 4: Simplify right side
    889,719.75x = 1,901,145,281,810.06
  5. Step 5: Solve for x
    x = 1,901,145,281,810.06/889,719.75
  6. Step 6: Final answer
    x = 2,136,791.14

Related Problems

Find third proportional to 444,859.88 and 689,410.13
Half scale
Find third proportional to 1,779,439.50 and 2,757,640.50
Double scale
Find third proportional to 889,722 and 1,378,823
Similar ratio
Find third proportional to 1,334,579.63 and 2,068,230.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.