Home / 145,568-217,458

Finding the Third Proportional to 145,568 and 217,458

Calculator

Solution

The third proportional to 145,568 and 217,458 is: 324,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,568 : 217,458 = 217,458 : x
  2. Step 2: Convert to fraction form
    145,568/217,458 = 217,458/x
  3. Step 3: Cross multiply
    145,568x = 217,458 × 217,458
  4. Step 4: Simplify right side
    145,568x = 47,287,981,764
  5. Step 5: Solve for x
    x = 47,287,981,764/145,568
  6. Step 6: Final answer
    x = 324,851.49

Related Problems

Find third proportional to 72,784 and 108,729
Half scale
Find third proportional to 291,136 and 434,916
Double scale
Find third proportional to 145,570 and 217,461
Similar ratio
Find third proportional to 218,352 and 326,187
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.