Home / 306,716-667,432

Finding the Third Proportional to 306,716 and 667,432

Calculator

Solution

The third proportional to 306,716 and 667,432 is: 1,452,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,716 : 667,432 = 667,432 : x
  2. Step 2: Convert to fraction form
    306,716/667,432 = 667,432/x
  3. Step 3: Cross multiply
    306,716x = 667,432 × 667,432
  4. Step 4: Simplify right side
    306,716x = 445,465,474,624
  5. Step 5: Solve for x
    x = 445,465,474,624/306,716
  6. Step 6: Final answer
    x = 1,452,371.17

Related Problems

Find third proportional to 153,358 and 333,716
Half scale
Find third proportional to 613,432 and 1,334,864
Double scale
Find third proportional to 306,718 and 667,436
Similar ratio
Find third proportional to 460,074 and 1,001,148
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.