Home / 155,670-340,181

Finding the Third Proportional to 155,670 and 340,181

Calculator

Solution

The third proportional to 155,670 and 340,181 is: 743,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,670 : 340,181 = 340,181 : x
  2. Step 2: Convert to fraction form
    155,670/340,181 = 340,181/x
  3. Step 3: Cross multiply
    155,670x = 340,181 × 340,181
  4. Step 4: Simplify right side
    155,670x = 115,723,112,761
  5. Step 5: Solve for x
    x = 115,723,112,761/155,670
  6. Step 6: Final answer
    x = 743,387.38

Related Problems

Find third proportional to 77,835 and 170,090.50
Half scale
Find third proportional to 311,340 and 680,362
Double scale
Find third proportional to 155,672 and 340,185
Similar ratio
Find third proportional to 233,505 and 510,271.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.