Home / 141,221-310,429

Finding the Third Proportional to 141,221 and 310,429

Calculator

Solution

The third proportional to 141,221 and 310,429 is: 682,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,221 : 310,429 = 310,429 : x
  2. Step 2: Convert to fraction form
    141,221/310,429 = 310,429/x
  3. Step 3: Cross multiply
    141,221x = 310,429 × 310,429
  4. Step 4: Simplify right side
    141,221x = 96,366,164,041
  5. Step 5: Solve for x
    x = 96,366,164,041/141,221
  6. Step 6: Final answer
    x = 682,378.43

Related Problems

Find third proportional to 70,610.50 and 155,214.50
Half scale
Find third proportional to 282,442 and 620,858
Double scale
Find third proportional to 141,223 and 310,433
Similar ratio
Find third proportional to 211,831.50 and 465,643.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.