Home / 512,217-558,144

Finding the Third Proportional to 512,217 and 558,144

Calculator

Solution

The third proportional to 512,217 and 558,144 is: 608,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,217 : 558,144 = 558,144 : x
  2. Step 2: Convert to fraction form
    512,217/558,144 = 558,144/x
  3. Step 3: Cross multiply
    512,217x = 558,144 × 558,144
  4. Step 4: Simplify right side
    512,217x = 311,524,724,736
  5. Step 5: Solve for x
    x = 311,524,724,736/512,217
  6. Step 6: Final answer
    x = 608,188.96

Related Problems

Find third proportional to 256,108.50 and 279,072
Half scale
Find third proportional to 1,024,434 and 1,116,288
Double scale
Find third proportional to 512,219 and 558,146
Similar ratio
Find third proportional to 768,325.50 and 837,216
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.