Home / 13,081,372-20,079,678

Finding the Third Proportional to 13,081,372 and 20,079,678

Calculator

Solution

The third proportional to 13,081,372 and 20,079,678 is: 30,821,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,372 : 20,079,678 = 20,079,678 : x
  2. Step 2: Convert to fraction form
    13,081,372/20,079,678 = 20,079,678/x
  3. Step 3: Cross multiply
    13,081,372x = 20,079,678 × 20,079,678
  4. Step 4: Simplify right side
    13,081,372x = 403,193,468,583,684
  5. Step 5: Solve for x
    x = 403,193,468,583,684/13,081,372
  6. Step 6: Final answer
    x = 30,821,955.72

Related Problems

Find third proportional to 6,540,686 and 10,039,839
Half scale
Find third proportional to 26,162,744 and 40,159,356
Double scale
Find third proportional to 13,081,374 and 20,079,681
Similar ratio
Find third proportional to 19,622,058 and 30,119,517
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.