Home / 155,386-340,301

Finding the Third Proportional to 155,386 and 340,301

Calculator

Solution

The third proportional to 155,386 and 340,301 is: 745,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,386 : 340,301 = 340,301 : x
  2. Step 2: Convert to fraction form
    155,386/340,301 = 340,301/x
  3. Step 3: Cross multiply
    155,386x = 340,301 × 340,301
  4. Step 4: Simplify right side
    155,386x = 115,804,770,601
  5. Step 5: Solve for x
    x = 115,804,770,601/155,386
  6. Step 6: Final answer
    x = 745,271.59

Related Problems

Find third proportional to 77,693 and 170,150.50
Half scale
Find third proportional to 310,772 and 680,602
Double scale
Find third proportional to 155,388 and 340,305
Similar ratio
Find third proportional to 233,079 and 510,451.50
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.