Home / 379,962-830,448

Finding the Third Proportional to 379,962 and 830,448

Calculator

Solution

The third proportional to 379,962 and 830,448 is: 1,815,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,962 : 830,448 = 830,448 : x
  2. Step 2: Convert to fraction form
    379,962/830,448 = 830,448/x
  3. Step 3: Cross multiply
    379,962x = 830,448 × 830,448
  4. Step 4: Simplify right side
    379,962x = 689,643,880,704
  5. Step 5: Solve for x
    x = 689,643,880,704/379,962
  6. Step 6: Final answer
    x = 1,815,033.82

Related Problems

Find third proportional to 189,981 and 415,224
Half scale
Find third proportional to 759,924 and 1,660,896
Double scale
Find third proportional to 379,964 and 830,452
Similar ratio
Find third proportional to 569,943 and 1,245,672
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.