Home / 239,578-370,909

Finding the Third Proportional to 239,578 and 370,909

Calculator

Solution

The third proportional to 239,578 and 370,909 is: 574,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,578 : 370,909 = 370,909 : x
  2. Step 2: Convert to fraction form
    239,578/370,909 = 370,909/x
  3. Step 3: Cross multiply
    239,578x = 370,909 × 370,909
  4. Step 4: Simplify right side
    239,578x = 137,573,486,281
  5. Step 5: Solve for x
    x = 137,573,486,281/239,578
  6. Step 6: Final answer
    x = 574,232.55

Related Problems

Find third proportional to 119,789 and 185,454.50
Half scale
Find third proportional to 479,156 and 741,818
Double scale
Find third proportional to 239,580 and 370,912
Similar ratio
Find third proportional to 359,367 and 556,363.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.