Home / 131,298-191,205

Finding the Third Proportional to 131,298 and 191,205

Calculator

Solution

The third proportional to 131,298 and 191,205 is: 278,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,298 : 191,205 = 191,205 : x
  2. Step 2: Convert to fraction form
    131,298/191,205 = 191,205/x
  3. Step 3: Cross multiply
    131,298x = 191,205 × 191,205
  4. Step 4: Simplify right side
    131,298x = 36,559,352,025
  5. Step 5: Solve for x
    x = 36,559,352,025/131,298
  6. Step 6: Final answer
    x = 278,445.61

Related Problems

Find third proportional to 65,649 and 95,602.50
Half scale
Find third proportional to 262,596 and 382,410
Double scale
Find third proportional to 131,300 and 191,208
Similar ratio
Find third proportional to 196,947 and 286,807.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.