Home / 155,514-220,237.50

Finding the Third Proportional to 155,514 and 220,237.50

Calculator

Solution

The third proportional to 155,514 and 220,237.50 is: 311,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,514 : 220,237.50 = 220,237.50 : x
  2. Step 2: Convert to fraction form
    155,514/220,237.50 = 220,237.50/x
  3. Step 3: Cross multiply
    155,514x = 220,237.50 × 220,237.50
  4. Step 4: Simplify right side
    155,514x = 48,504,556,406.25
  5. Step 5: Solve for x
    x = 48,504,556,406.25/155,514
  6. Step 6: Final answer
    x = 311,898.33

Related Problems

Find third proportional to 77,757 and 110,118.75
Half scale
Find third proportional to 311,028 and 440,475
Double scale
Find third proportional to 155,516 and 220,240
Similar ratio
Find third proportional to 233,271 and 330,356.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.