Home / 281,958-415,149

Finding the Third Proportional to 281,958 and 415,149

Calculator

Solution

The third proportional to 281,958 and 415,149 is: 611,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,958 : 415,149 = 415,149 : x
  2. Step 2: Convert to fraction form
    281,958/415,149 = 415,149/x
  3. Step 3: Cross multiply
    281,958x = 415,149 × 415,149
  4. Step 4: Simplify right side
    281,958x = 172,348,692,201
  5. Step 5: Solve for x
    x = 172,348,692,201/281,958
  6. Step 6: Final answer
    x = 611,256.61

Related Problems

Find third proportional to 140,979 and 207,574.50
Half scale
Find third proportional to 563,916 and 830,298
Double scale
Find third proportional to 281,960 and 415,152
Similar ratio
Find third proportional to 422,937 and 622,723.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.