Home / 370,720-815,168

Finding the Third Proportional to 370,720 and 815,168

Calculator

Solution

The third proportional to 370,720 and 815,168 is: 1,792,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,720 : 815,168 = 815,168 : x
  2. Step 2: Convert to fraction form
    370,720/815,168 = 815,168/x
  3. Step 3: Cross multiply
    370,720x = 815,168 × 815,168
  4. Step 4: Simplify right side
    370,720x = 664,498,868,224
  5. Step 5: Solve for x
    x = 664,498,868,224/370,720
  6. Step 6: Final answer
    x = 1,792,454.87

Related Problems

Find third proportional to 185,360 and 407,584
Half scale
Find third proportional to 741,440 and 1,630,336
Double scale
Find third proportional to 370,722 and 815,172
Similar ratio
Find third proportional to 556,080 and 1,222,752
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.