Home / 721,840-1,566,619

Finding the Third Proportional to 721,840 and 1,566,619

Calculator

Solution

The third proportional to 721,840 and 1,566,619 is: 3,400,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,840 : 1,566,619 = 1,566,619 : x
  2. Step 2: Convert to fraction form
    721,840/1,566,619 = 1,566,619/x
  3. Step 3: Cross multiply
    721,840x = 1,566,619 × 1,566,619
  4. Step 4: Simplify right side
    721,840x = 2,454,295,091,161
  5. Step 5: Solve for x
    x = 2,454,295,091,161/721,840
  6. Step 6: Final answer
    x = 3,400,054.15

Related Problems

Find third proportional to 360,920 and 783,309.50
Half scale
Find third proportional to 1,443,680 and 3,133,238
Double scale
Find third proportional to 721,842 and 1,566,623
Similar ratio
Find third proportional to 1,082,760 and 2,349,928.50
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.