Home / 63,148-139,471

Finding the Third Proportional to 63,148 and 139,471

Calculator

Solution

The third proportional to 63,148 and 139,471 is: 308,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,148 : 139,471 = 139,471 : x
  2. Step 2: Convert to fraction form
    63,148/139,471 = 139,471/x
  3. Step 3: Cross multiply
    63,148x = 139,471 × 139,471
  4. Step 4: Simplify right side
    63,148x = 19,452,159,841
  5. Step 5: Solve for x
    x = 19,452,159,841/63,148
  6. Step 6: Final answer
    x = 308,040.79

Related Problems

Find third proportional to 31,574 and 69,735.50
Half scale
Find third proportional to 126,296 and 278,942
Double scale
Find third proportional to 63,150 and 139,475
Similar ratio
Find third proportional to 94,722 and 209,206.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.