Home / 181,242-278,704.50

Finding the Third Proportional to 181,242 and 278,704.50

Calculator

Solution

The third proportional to 181,242 and 278,704.50 is: 428,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,242 : 278,704.50 = 278,704.50 : x
  2. Step 2: Convert to fraction form
    181,242/278,704.50 = 278,704.50/x
  3. Step 3: Cross multiply
    181,242x = 278,704.50 × 278,704.50
  4. Step 4: Simplify right side
    181,242x = 77,676,198,320.25
  5. Step 5: Solve for x
    x = 77,676,198,320.25/181,242
  6. Step 6: Final answer
    x = 428,577.25

Related Problems

Find third proportional to 90,621 and 139,352.25
Half scale
Find third proportional to 362,484 and 557,409
Double scale
Find third proportional to 181,244 and 278,708
Similar ratio
Find third proportional to 271,863 and 418,056.75
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.