Home / 280,024-430,404

Finding the Third Proportional to 280,024 and 430,404

Calculator

Solution

The third proportional to 280,024 and 430,404 is: 661,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,024 : 430,404 = 430,404 : x
  2. Step 2: Convert to fraction form
    280,024/430,404 = 430,404/x
  3. Step 3: Cross multiply
    280,024x = 430,404 × 430,404
  4. Step 4: Simplify right side
    280,024x = 185,247,603,216
  5. Step 5: Solve for x
    x = 185,247,603,216/280,024
  6. Step 6: Final answer
    x = 661,541.88

Related Problems

Find third proportional to 140,012 and 215,202
Half scale
Find third proportional to 560,048 and 860,808
Double scale
Find third proportional to 280,026 and 430,407
Similar ratio
Find third proportional to 420,036 and 645,606
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.