Home / 140,000-310,816

Finding the Third Proportional to 140,000 and 310,816

Calculator

Solution

The third proportional to 140,000 and 310,816 is: 690,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,000 : 310,816 = 310,816 : x
  2. Step 2: Convert to fraction form
    140,000/310,816 = 310,816/x
  3. Step 3: Cross multiply
    140,000x = 310,816 × 310,816
  4. Step 4: Simplify right side
    140,000x = 96,606,585,856
  5. Step 5: Solve for x
    x = 96,606,585,856/140,000
  6. Step 6: Final answer
    x = 690,047.04

Related Problems

Find third proportional to 70,000 and 155,408
Half scale
Find third proportional to 280,000 and 621,632
Double scale
Find third proportional to 140,002 and 310,820
Similar ratio
Find third proportional to 210,000 and 466,224
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.