Home / 39,139.50-52,431

Finding the Third Proportional to 39,139.50 and 52,431

Calculator

Solution

The third proportional to 39,139.50 and 52,431 is: 70,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.50 : 52,431 = 52,431 : x
  2. Step 2: Convert to fraction form
    39,139.50/52,431 = 52,431/x
  3. Step 3: Cross multiply
    39,139.50x = 52,431 × 52,431
  4. Step 4: Simplify right side
    39,139.50x = 2,749,009,761
  5. Step 5: Solve for x
    x = 2,749,009,761/39,139.50
  6. Step 6: Final answer
    x = 70,236.20

Related Problems

Find third proportional to 19,569.75 and 26,215.50
Half scale
Find third proportional to 78,279 and 104,862
Double scale
Find third proportional to 39,142 and 52,434
Similar ratio
Find third proportional to 58,709.25 and 78,646.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.