Home / 301,208-649,070

Finding the Third Proportional to 301,208 and 649,070

Calculator

Solution

The third proportional to 301,208 and 649,070 is: 1,398,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,208 : 649,070 = 649,070 : x
  2. Step 2: Convert to fraction form
    301,208/649,070 = 649,070/x
  3. Step 3: Cross multiply
    301,208x = 649,070 × 649,070
  4. Step 4: Simplify right side
    301,208x = 421,291,864,900
  5. Step 5: Solve for x
    x = 421,291,864,900/301,208
  6. Step 6: Final answer
    x = 1,398,674.22

Related Problems

Find third proportional to 150,604 and 324,535
Half scale
Find third proportional to 602,416 and 1,298,140
Double scale
Find third proportional to 301,210 and 649,074
Similar ratio
Find third proportional to 451,812 and 973,605
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.