Home / 721,192-1,121,100

Finding the Third Proportional to 721,192 and 1,121,100

Calculator

Solution

The third proportional to 721,192 and 1,121,100 is: 1,742,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,192 : 1,121,100 = 1,121,100 : x
  2. Step 2: Convert to fraction form
    721,192/1,121,100 = 1,121,100/x
  3. Step 3: Cross multiply
    721,192x = 1,121,100 × 1,121,100
  4. Step 4: Simplify right side
    721,192x = 1,256,865,210,000
  5. Step 5: Solve for x
    x = 1,256,865,210,000/721,192
  6. Step 6: Final answer
    x = 1,742,760.89

Related Problems

Find third proportional to 360,596 and 560,550
Half scale
Find third proportional to 1,442,384 and 2,242,200
Double scale
Find third proportional to 721,194 and 1,121,103
Similar ratio
Find third proportional to 1,081,788 and 1,681,650
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.