Home / 326,220-459,396

Finding the Third Proportional to 326,220 and 459,396

Calculator

Solution

The third proportional to 326,220 and 459,396 is: 646,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,220 : 459,396 = 459,396 : x
  2. Step 2: Convert to fraction form
    326,220/459,396 = 459,396/x
  3. Step 3: Cross multiply
    326,220x = 459,396 × 459,396
  4. Step 4: Simplify right side
    326,220x = 211,044,684,816
  5. Step 5: Solve for x
    x = 211,044,684,816/326,220
  6. Step 6: Final answer
    x = 646,939.75

Related Problems

Find third proportional to 163,110 and 229,698
Half scale
Find third proportional to 652,440 and 918,792
Double scale
Find third proportional to 326,222 and 459,399
Similar ratio
Find third proportional to 489,330 and 689,094
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.