Home / 76,810-119,210

Finding the Third Proportional to 76,810 and 119,210

Calculator

Solution

The third proportional to 76,810 and 119,210 is: 185,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,810 : 119,210 = 119,210 : x
  2. Step 2: Convert to fraction form
    76,810/119,210 = 119,210/x
  3. Step 3: Cross multiply
    76,810x = 119,210 × 119,210
  4. Step 4: Simplify right side
    76,810x = 14,211,024,100
  5. Step 5: Solve for x
    x = 14,211,024,100/76,810
  6. Step 6: Final answer
    x = 185,015.29

Related Problems

Find third proportional to 38,405 and 59,605
Half scale
Find third proportional to 153,620 and 238,420
Double scale
Find third proportional to 76,812 and 119,213
Similar ratio
Find third proportional to 115,215 and 178,815
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.