Home / 719,929-1,555,312

Finding the Third Proportional to 719,929 and 1,555,312

Calculator

Solution

The third proportional to 719,929 and 1,555,312 is: 3,360,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,929 : 1,555,312 = 1,555,312 : x
  2. Step 2: Convert to fraction form
    719,929/1,555,312 = 1,555,312/x
  3. Step 3: Cross multiply
    719,929x = 1,555,312 × 1,555,312
  4. Step 4: Simplify right side
    719,929x = 2,418,995,417,344
  5. Step 5: Solve for x
    x = 2,418,995,417,344/719,929
  6. Step 6: Final answer
    x = 3,360,047.20

Related Problems

Find third proportional to 359,964.50 and 777,656
Half scale
Find third proportional to 1,439,858 and 3,110,624
Double scale
Find third proportional to 719,931 and 1,555,316
Similar ratio
Find third proportional to 1,079,893.50 and 2,332,968
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.