Home / 301,920-646,119

Finding the Third Proportional to 301,920 and 646,119

Calculator

Solution

The third proportional to 301,920 and 646,119 is: 1,382,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,920 : 646,119 = 646,119 : x
  2. Step 2: Convert to fraction form
    301,920/646,119 = 646,119/x
  3. Step 3: Cross multiply
    301,920x = 646,119 × 646,119
  4. Step 4: Simplify right side
    301,920x = 417,469,762,161
  5. Step 5: Solve for x
    x = 417,469,762,161/301,920
  6. Step 6: Final answer
    x = 1,382,716.49

Related Problems

Find third proportional to 150,960 and 323,059.50
Half scale
Find third proportional to 603,840 and 1,292,238
Double scale
Find third proportional to 301,922 and 646,123
Similar ratio
Find third proportional to 452,880 and 969,178.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.