Home / 158,643-343,422

Finding the Third Proportional to 158,643 and 343,422

Calculator

Solution

The third proportional to 158,643 and 343,422 is: 743,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,643 : 343,422 = 343,422 : x
  2. Step 2: Convert to fraction form
    158,643/343,422 = 343,422/x
  3. Step 3: Cross multiply
    158,643x = 343,422 × 343,422
  4. Step 4: Simplify right side
    158,643x = 117,938,670,084
  5. Step 5: Solve for x
    x = 117,938,670,084/158,643
  6. Step 6: Final answer
    x = 743,421.83

Related Problems

Find third proportional to 79,321.50 and 171,711
Half scale
Find third proportional to 317,286 and 686,844
Double scale
Find third proportional to 158,645 and 343,426
Similar ratio
Find third proportional to 237,964.50 and 515,133
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.