Home / 260,064-400,896

Finding the Third Proportional to 260,064 and 400,896

Calculator

Solution

The third proportional to 260,064 and 400,896 is: 617,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,064 : 400,896 = 400,896 : x
  2. Step 2: Convert to fraction form
    260,064/400,896 = 400,896/x
  3. Step 3: Cross multiply
    260,064x = 400,896 × 400,896
  4. Step 4: Simplify right side
    260,064x = 160,717,602,816
  5. Step 5: Solve for x
    x = 160,717,602,816/260,064
  6. Step 6: Final answer
    x = 617,992.50

Related Problems

Find third proportional to 130,032 and 200,448
Half scale
Find third proportional to 520,128 and 801,792
Double scale
Find third proportional to 260,066 and 400,899
Similar ratio
Find third proportional to 390,096 and 601,344
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.