Home / 280,186-622,580

Finding the Third Proportional to 280,186 and 622,580

Calculator

Solution

The third proportional to 280,186 and 622,580 is: 1,383,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,186 : 622,580 = 622,580 : x
  2. Step 2: Convert to fraction form
    280,186/622,580 = 622,580/x
  3. Step 3: Cross multiply
    280,186x = 622,580 × 622,580
  4. Step 4: Simplify right side
    280,186x = 387,605,856,400
  5. Step 5: Solve for x
    x = 387,605,856,400/280,186
  6. Step 6: Final answer
    x = 1,383,387.67

Related Problems

Find third proportional to 140,093 and 311,290
Half scale
Find third proportional to 560,372 and 1,245,160
Double scale
Find third proportional to 280,188 and 622,584
Similar ratio
Find third proportional to 420,279 and 933,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.