Home / 25,909-40,009

Finding the Third Proportional to 25,909 and 40,009

Calculator

Solution

The third proportional to 25,909 and 40,009 is: 61,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909 : 40,009 = 40,009 : x
  2. Step 2: Convert to fraction form
    25,909/40,009 = 40,009/x
  3. Step 3: Cross multiply
    25,909x = 40,009 × 40,009
  4. Step 4: Simplify right side
    25,909x = 1,600,720,081
  5. Step 5: Solve for x
    x = 1,600,720,081/25,909
  6. Step 6: Final answer
    x = 61,782.40

Related Problems

Find third proportional to 12,954.50 and 20,004.50
Half scale
Find third proportional to 51,818 and 80,018
Double scale
Find third proportional to 25,911 and 40,012
Similar ratio
Find third proportional to 38,863.50 and 60,013.50
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.