Home / 64,635-135,126

Finding the Third Proportional to 64,635 and 135,126

Calculator

Solution

The third proportional to 64,635 and 135,126 is: 282,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,635 : 135,126 = 135,126 : x
  2. Step 2: Convert to fraction form
    64,635/135,126 = 135,126/x
  3. Step 3: Cross multiply
    64,635x = 135,126 × 135,126
  4. Step 4: Simplify right side
    64,635x = 18,259,035,876
  5. Step 5: Solve for x
    x = 18,259,035,876/64,635
  6. Step 6: Final answer
    x = 282,494.56

Related Problems

Find third proportional to 32,317.50 and 67,563
Half scale
Find third proportional to 129,270 and 270,252
Double scale
Find third proportional to 64,637 and 135,130
Similar ratio
Find third proportional to 96,952.50 and 202,689
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.