Home / 513,512-1,108,221

Finding the Third Proportional to 513,512 and 1,108,221

Calculator

Solution

The third proportional to 513,512 and 1,108,221 is: 2,391,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,512 : 1,108,221 = 1,108,221 : x
  2. Step 2: Convert to fraction form
    513,512/1,108,221 = 1,108,221/x
  3. Step 3: Cross multiply
    513,512x = 1,108,221 × 1,108,221
  4. Step 4: Simplify right side
    513,512x = 1,228,153,784,841
  5. Step 5: Solve for x
    x = 1,228,153,784,841/513,512
  6. Step 6: Final answer
    x = 2,391,674.95

Related Problems

Find third proportional to 256,756 and 554,110.50
Half scale
Find third proportional to 1,027,024 and 2,216,442
Double scale
Find third proportional to 513,514 and 1,108,225
Similar ratio
Find third proportional to 770,268 and 1,662,331.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.