Home / 261,713-512,491

Finding the Third Proportional to 261,713 and 512,491

Calculator

Solution

The third proportional to 261,713 and 512,491 is: 1,003,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,713 : 512,491 = 512,491 : x
  2. Step 2: Convert to fraction form
    261,713/512,491 = 512,491/x
  3. Step 3: Cross multiply
    261,713x = 512,491 × 512,491
  4. Step 4: Simplify right side
    261,713x = 262,647,025,081
  5. Step 5: Solve for x
    x = 262,647,025,081/261,713
  6. Step 6: Final answer
    x = 1,003,568.89

Related Problems

Find third proportional to 130,856.50 and 256,245.50
Half scale
Find third proportional to 523,426 and 1,024,982
Double scale
Find third proportional to 261,715 and 512,495
Similar ratio
Find third proportional to 392,569.50 and 768,736.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.