Home / 40,507-84,240

Finding the Third Proportional to 40,507 and 84,240

Calculator

Solution

The third proportional to 40,507 and 84,240 is: 175,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,507 : 84,240 = 84,240 : x
  2. Step 2: Convert to fraction form
    40,507/84,240 = 84,240/x
  3. Step 3: Cross multiply
    40,507x = 84,240 × 84,240
  4. Step 4: Simplify right side
    40,507x = 7,096,377,600
  5. Step 5: Solve for x
    x = 7,096,377,600/40,507
  6. Step 6: Final answer
    x = 175,188.92

Related Problems

Find third proportional to 20,253.50 and 42,120
Half scale
Find third proportional to 81,014 and 168,480
Double scale
Find third proportional to 40,509 and 84,244
Similar ratio
Find third proportional to 60,760.50 and 126,360
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.