Home / 155,872-340,908

Finding the Third Proportional to 155,872 and 340,908

Calculator

Solution

The third proportional to 155,872 and 340,908 is: 745,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,872 : 340,908 = 340,908 : x
  2. Step 2: Convert to fraction form
    155,872/340,908 = 340,908/x
  3. Step 3: Cross multiply
    155,872x = 340,908 × 340,908
  4. Step 4: Simplify right side
    155,872x = 116,218,264,464
  5. Step 5: Solve for x
    x = 116,218,264,464/155,872
  6. Step 6: Final answer
    x = 745,600.65

Related Problems

Find third proportional to 77,936 and 170,454
Half scale
Find third proportional to 311,744 and 681,816
Double scale
Find third proportional to 155,874 and 340,912
Similar ratio
Find third proportional to 233,808 and 511,362
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.