Home / 398,966-874,240

Finding the Third Proportional to 398,966 and 874,240

Calculator

Solution

The third proportional to 398,966 and 874,240 is: 1,915,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,966 : 874,240 = 874,240 : x
  2. Step 2: Convert to fraction form
    398,966/874,240 = 874,240/x
  3. Step 3: Cross multiply
    398,966x = 874,240 × 874,240
  4. Step 4: Simplify right side
    398,966x = 764,295,577,600
  5. Step 5: Solve for x
    x = 764,295,577,600/398,966
  6. Step 6: Final answer
    x = 1,915,691.01

Related Problems

Find third proportional to 199,483 and 437,120
Half scale
Find third proportional to 797,932 and 1,748,480
Double scale
Find third proportional to 398,968 and 874,244
Similar ratio
Find third proportional to 598,449 and 1,311,360
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.