Home / 140,878-288,235

Finding the Third Proportional to 140,878 and 288,235

Calculator

Solution

The third proportional to 140,878 and 288,235 is: 589,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,878 : 288,235 = 288,235 : x
  2. Step 2: Convert to fraction form
    140,878/288,235 = 288,235/x
  3. Step 3: Cross multiply
    140,878x = 288,235 × 288,235
  4. Step 4: Simplify right side
    140,878x = 83,079,415,225
  5. Step 5: Solve for x
    x = 83,079,415,225/140,878
  6. Step 6: Final answer
    x = 589,725.97

Related Problems

Find third proportional to 70,439 and 144,117.50
Half scale
Find third proportional to 281,756 and 576,470
Double scale
Find third proportional to 140,880 and 288,239
Similar ratio
Find third proportional to 211,317 and 432,352.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.