Home / 40,263-56,640

Finding the Third Proportional to 40,263 and 56,640

Calculator

Solution

The third proportional to 40,263 and 56,640 is: 79,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,263 : 56,640 = 56,640 : x
  2. Step 2: Convert to fraction form
    40,263/56,640 = 56,640/x
  3. Step 3: Cross multiply
    40,263x = 56,640 × 56,640
  4. Step 4: Simplify right side
    40,263x = 3,208,089,600
  5. Step 5: Solve for x
    x = 3,208,089,600/40,263
  6. Step 6: Final answer
    x = 79,678.35

Related Problems

Find third proportional to 20,131.50 and 28,320
Half scale
Find third proportional to 80,526 and 113,280
Double scale
Find third proportional to 40,265 and 56,643
Similar ratio
Find third proportional to 60,394.50 and 84,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.