Home / 214,568-315,282.50

Finding the Third Proportional to 214,568 and 315,282.50

Calculator

Solution

The third proportional to 214,568 and 315,282.50 is: 463,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,568 : 315,282.50 = 315,282.50 : x
  2. Step 2: Convert to fraction form
    214,568/315,282.50 = 315,282.50/x
  3. Step 3: Cross multiply
    214,568x = 315,282.50 × 315,282.50
  4. Step 4: Simplify right side
    214,568x = 99,403,054,806.25
  5. Step 5: Solve for x
    x = 99,403,054,806.25/214,568
  6. Step 6: Final answer
    x = 463,270.64

Related Problems

Find third proportional to 107,284 and 157,641.25
Half scale
Find third proportional to 429,136 and 630,565
Double scale
Find third proportional to 214,570 and 315,285
Similar ratio
Find third proportional to 321,852 and 472,923.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.