Home / 136,816-205,624

Finding the Third Proportional to 136,816 and 205,624

Calculator

Solution

The third proportional to 136,816 and 205,624 is: 309,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,816 : 205,624 = 205,624 : x
  2. Step 2: Convert to fraction form
    136,816/205,624 = 205,624/x
  3. Step 3: Cross multiply
    136,816x = 205,624 × 205,624
  4. Step 4: Simplify right side
    136,816x = 42,281,229,376
  5. Step 5: Solve for x
    x = 42,281,229,376/136,816
  6. Step 6: Final answer
    x = 309,037.17

Related Problems

Find third proportional to 68,408 and 102,812
Half scale
Find third proportional to 273,632 and 411,248
Double scale
Find third proportional to 136,818 and 205,627
Similar ratio
Find third proportional to 205,224 and 308,436
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.