Home / 134,816-289,984

Finding the Third Proportional to 134,816 and 289,984

Calculator

Solution

The third proportional to 134,816 and 289,984 is: 623,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,816 : 289,984 = 289,984 : x
  2. Step 2: Convert to fraction form
    134,816/289,984 = 289,984/x
  3. Step 3: Cross multiply
    134,816x = 289,984 × 289,984
  4. Step 4: Simplify right side
    134,816x = 84,090,720,256
  5. Step 5: Solve for x
    x = 84,090,720,256/134,816
  6. Step 6: Final answer
    x = 623,744.36

Related Problems

Find third proportional to 67,408 and 144,992
Half scale
Find third proportional to 269,632 and 579,968
Double scale
Find third proportional to 134,818 and 289,988
Similar ratio
Find third proportional to 202,224 and 434,976
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.