Home / 31,422-48,861

Finding the Third Proportional to 31,422 and 48,861

Calculator

Solution

The third proportional to 31,422 and 48,861 is: 75,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422 : 48,861 = 48,861 : x
  2. Step 2: Convert to fraction form
    31,422/48,861 = 48,861/x
  3. Step 3: Cross multiply
    31,422x = 48,861 × 48,861
  4. Step 4: Simplify right side
    31,422x = 2,387,397,321
  5. Step 5: Solve for x
    x = 2,387,397,321/31,422
  6. Step 6: Final answer
    x = 75,978.53

Related Problems

Find third proportional to 15,711 and 24,430.50
Half scale
Find third proportional to 62,844 and 97,722
Double scale
Find third proportional to 31,424 and 48,864
Similar ratio
Find third proportional to 47,133 and 73,291.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.