Home / 252,615-392,227

Finding the Third Proportional to 252,615 and 392,227

Calculator

Solution

The third proportional to 252,615 and 392,227 is: 608,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,615 : 392,227 = 392,227 : x
  2. Step 2: Convert to fraction form
    252,615/392,227 = 392,227/x
  3. Step 3: Cross multiply
    252,615x = 392,227 × 392,227
  4. Step 4: Simplify right side
    252,615x = 153,842,019,529
  5. Step 5: Solve for x
    x = 153,842,019,529/252,615
  6. Step 6: Final answer
    x = 608,997.96

Related Problems

Find third proportional to 126,307.50 and 196,113.50
Half scale
Find third proportional to 505,230 and 784,454
Double scale
Find third proportional to 252,617 and 392,230
Similar ratio
Find third proportional to 378,922.50 and 588,340.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.