Home / 40,310-57,314

Finding the Third Proportional to 40,310 and 57,314

Calculator

Solution

The third proportional to 40,310 and 57,314 is: 81,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310 : 57,314 = 57,314 : x
  2. Step 2: Convert to fraction form
    40,310/57,314 = 57,314/x
  3. Step 3: Cross multiply
    40,310x = 57,314 × 57,314
  4. Step 4: Simplify right side
    40,310x = 3,284,894,596
  5. Step 5: Solve for x
    x = 3,284,894,596/40,310
  6. Step 6: Final answer
    x = 81,490.81

Related Problems

Find third proportional to 20,155 and 28,657
Half scale
Find third proportional to 80,620 and 114,628
Double scale
Find third proportional to 40,312 and 57,317
Similar ratio
Find third proportional to 60,465 and 85,971
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.