Home / 370,945-558,157

Finding the Third Proportional to 370,945 and 558,157

Calculator

Solution

The third proportional to 370,945 and 558,157 is: 839,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,945 : 558,157 = 558,157 : x
  2. Step 2: Convert to fraction form
    370,945/558,157 = 558,157/x
  3. Step 3: Cross multiply
    370,945x = 558,157 × 558,157
  4. Step 4: Simplify right side
    370,945x = 311,539,236,649
  5. Step 5: Solve for x
    x = 311,539,236,649/370,945
  6. Step 6: Final answer
    x = 839,852.91

Related Problems

Find third proportional to 185,472.50 and 279,078.50
Half scale
Find third proportional to 741,890 and 1,116,314
Double scale
Find third proportional to 370,947 and 558,160
Similar ratio
Find third proportional to 556,417.50 and 837,235.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.