Home / 90,517.50-100,237.50

Finding the Third Proportional to 90,517.50 and 100,237.50

Calculator

Solution

The third proportional to 90,517.50 and 100,237.50 is: 111,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,517.50 : 100,237.50 = 100,237.50 : x
  2. Step 2: Convert to fraction form
    90,517.50/100,237.50 = 100,237.50/x
  3. Step 3: Cross multiply
    90,517.50x = 100,237.50 × 100,237.50
  4. Step 4: Simplify right side
    90,517.50x = 10,047,556,406.25
  5. Step 5: Solve for x
    x = 10,047,556,406.25/90,517.50
  6. Step 6: Final answer
    x = 111,001.26

Related Problems

Find third proportional to 45,258.75 and 50,118.75
Half scale
Find third proportional to 181,035 and 200,475
Double scale
Find third proportional to 90,520 and 100,240
Similar ratio
Find third proportional to 135,776.25 and 150,356.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.