Home / 378,392-569,177

Finding the Third Proportional to 378,392 and 569,177

Calculator

Solution

The third proportional to 378,392 and 569,177 is: 856,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,392 : 569,177 = 569,177 : x
  2. Step 2: Convert to fraction form
    378,392/569,177 = 569,177/x
  3. Step 3: Cross multiply
    378,392x = 569,177 × 569,177
  4. Step 4: Simplify right side
    378,392x = 323,962,457,329
  5. Step 5: Solve for x
    x = 323,962,457,329/378,392
  6. Step 6: Final answer
    x = 856,155.67

Related Problems

Find third proportional to 189,196 and 284,588.50
Half scale
Find third proportional to 756,784 and 1,138,354
Double scale
Find third proportional to 378,394 and 569,180
Similar ratio
Find third proportional to 567,588 and 853,765.50
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.