Home / 134,128-290,035

Finding the Third Proportional to 134,128 and 290,035

Calculator

Solution

The third proportional to 134,128 and 290,035 is: 627,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,128 : 290,035 = 290,035 : x
  2. Step 2: Convert to fraction form
    134,128/290,035 = 290,035/x
  3. Step 3: Cross multiply
    134,128x = 290,035 × 290,035
  4. Step 4: Simplify right side
    134,128x = 84,120,301,225
  5. Step 5: Solve for x
    x = 84,120,301,225/134,128
  6. Step 6: Final answer
    x = 627,164.36

Related Problems

Find third proportional to 67,064 and 145,017.50
Half scale
Find third proportional to 268,256 and 580,070
Double scale
Find third proportional to 134,130 and 290,039
Similar ratio
Find third proportional to 201,192 and 435,052.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.