Home / 143,451-221,347.50

Finding the Third Proportional to 143,451 and 221,347.50

Calculator

Solution

The third proportional to 143,451 and 221,347.50 is: 341,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,451 : 221,347.50 = 221,347.50 : x
  2. Step 2: Convert to fraction form
    143,451/221,347.50 = 221,347.50/x
  3. Step 3: Cross multiply
    143,451x = 221,347.50 × 221,347.50
  4. Step 4: Simplify right side
    143,451x = 48,994,715,756.25
  5. Step 5: Solve for x
    x = 48,994,715,756.25/143,451
  6. Step 6: Final answer
    x = 341,543.22

Related Problems

Find third proportional to 71,725.50 and 110,673.75
Half scale
Find third proportional to 286,902 and 442,695
Double scale
Find third proportional to 143,453 and 221,351
Similar ratio
Find third proportional to 215,176.50 and 332,021.25
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.