Home / 154,810-231,615

Finding the Third Proportional to 154,810 and 231,615

Calculator

Solution

The third proportional to 154,810 and 231,615 is: 346,524.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,810 : 231,615 = 231,615 : x
  2. Step 2: Convert to fraction form
    154,810/231,615 = 231,615/x
  3. Step 3: Cross multiply
    154,810x = 231,615 × 231,615
  4. Step 4: Simplify right side
    154,810x = 53,645,508,225
  5. Step 5: Solve for x
    x = 53,645,508,225/154,810
  6. Step 6: Final answer
    x = 346,524.83

Related Problems

Find third proportional to 77,405 and 115,807.50
Half scale
Find third proportional to 309,620 and 463,230
Double scale
Find third proportional to 154,812 and 231,618
Similar ratio
Find third proportional to 232,215 and 347,422.50
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.