Home / 280,842-611,628

Finding the Third Proportional to 280,842 and 611,628

Calculator

Solution

The third proportional to 280,842 and 611,628 is: 1,332,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,842 : 611,628 = 611,628 : x
  2. Step 2: Convert to fraction form
    280,842/611,628 = 611,628/x
  3. Step 3: Cross multiply
    280,842x = 611,628 × 611,628
  4. Step 4: Simplify right side
    280,842x = 374,088,810,384
  5. Step 5: Solve for x
    x = 374,088,810,384/280,842
  6. Step 6: Final answer
    x = 1,332,025.87

Related Problems

Find third proportional to 140,421 and 305,814
Half scale
Find third proportional to 561,684 and 1,223,256
Double scale
Find third proportional to 280,844 and 611,632
Similar ratio
Find third proportional to 421,263 and 917,442
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.