Home / 90,784-140,004

Finding the Third Proportional to 90,784 and 140,004

Calculator

Solution

The third proportional to 90,784 and 140,004 is: 215,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,784 : 140,004 = 140,004 : x
  2. Step 2: Convert to fraction form
    90,784/140,004 = 140,004/x
  3. Step 3: Cross multiply
    90,784x = 140,004 × 140,004
  4. Step 4: Simplify right side
    90,784x = 19,601,120,016
  5. Step 5: Solve for x
    x = 19,601,120,016/90,784
  6. Step 6: Final answer
    x = 215,909.41

Related Problems

Find third proportional to 45,392 and 70,002
Half scale
Find third proportional to 181,568 and 280,008
Double scale
Find third proportional to 90,786 and 140,007
Similar ratio
Find third proportional to 136,176 and 210,006
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.