Home / 100,288-220,259.75

Finding the Third Proportional to 100,288 and 220,259.75

Calculator

Solution

The third proportional to 100,288 and 220,259.75 is: 483,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,288 : 220,259.75 = 220,259.75 : x
  2. Step 2: Convert to fraction form
    100,288/220,259.75 = 220,259.75/x
  3. Step 3: Cross multiply
    100,288x = 220,259.75 × 220,259.75
  4. Step 4: Simplify right side
    100,288x = 48,514,357,470.06
  5. Step 5: Solve for x
    x = 48,514,357,470.06/100,288
  6. Step 6: Final answer
    x = 483,750.37

Related Problems

Find third proportional to 50,144 and 110,129.88
Half scale
Find third proportional to 200,576 and 440,519.50
Double scale
Find third proportional to 100,290 and 220,264
Similar ratio
Find third proportional to 150,432 and 330,389.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.