Home / 216,458-294,879

Finding the Third Proportional to 216,458 and 294,879

Calculator

Solution

The third proportional to 216,458 and 294,879 is: 401,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,458 : 294,879 = 294,879 : x
  2. Step 2: Convert to fraction form
    216,458/294,879 = 294,879/x
  3. Step 3: Cross multiply
    216,458x = 294,879 × 294,879
  4. Step 4: Simplify right side
    216,458x = 86,953,624,641
  5. Step 5: Solve for x
    x = 86,953,624,641/216,458
  6. Step 6: Final answer
    x = 401,711.30

Related Problems

Find third proportional to 108,229 and 147,439.50
Half scale
Find third proportional to 432,916 and 589,758
Double scale
Find third proportional to 216,460 and 294,882
Similar ratio
Find third proportional to 324,687 and 442,318.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.