Home / 283,209.75-615,721.50

Finding the Third Proportional to 283,209.75 and 615,721.50

Calculator

Solution

The third proportional to 283,209.75 and 615,721.50 is: 1,338,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,209.75 : 615,721.50 = 615,721.50 : x
  2. Step 2: Convert to fraction form
    283,209.75/615,721.50 = 615,721.50/x
  3. Step 3: Cross multiply
    283,209.75x = 615,721.50 × 615,721.50
  4. Step 4: Simplify right side
    283,209.75x = 379,112,965,562.25
  5. Step 5: Solve for x
    x = 379,112,965,562.25/283,209.75
  6. Step 6: Final answer
    x = 1,338,629.64

Related Problems

Find third proportional to 141,604.88 and 307,860.75
Half scale
Find third proportional to 566,419.50 and 1,231,443
Double scale
Find third proportional to 283,212 and 615,726
Similar ratio
Find third proportional to 424,814.63 and 923,582.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.