Home / 310,869-480,036

Finding the Third Proportional to 310,869 and 480,036

Calculator

Solution

The third proportional to 310,869 and 480,036 is: 741,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,869 : 480,036 = 480,036 : x
  2. Step 2: Convert to fraction form
    310,869/480,036 = 480,036/x
  3. Step 3: Cross multiply
    310,869x = 480,036 × 480,036
  4. Step 4: Simplify right side
    310,869x = 230,434,561,296
  5. Step 5: Solve for x
    x = 230,434,561,296/310,869
  6. Step 6: Final answer
    x = 741,259.38

Related Problems

Find third proportional to 155,434.50 and 240,018
Half scale
Find third proportional to 621,738 and 960,072
Double scale
Find third proportional to 310,871 and 480,039
Similar ratio
Find third proportional to 466,303.50 and 720,054
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.