Home / 29,211-63,831

Finding the Third Proportional to 29,211 and 63,831

Calculator

Solution

The third proportional to 29,211 and 63,831 is: 139,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211 : 63,831 = 63,831 : x
  2. Step 2: Convert to fraction form
    29,211/63,831 = 63,831/x
  3. Step 3: Cross multiply
    29,211x = 63,831 × 63,831
  4. Step 4: Simplify right side
    29,211x = 4,074,396,561
  5. Step 5: Solve for x
    x = 4,074,396,561/29,211
  6. Step 6: Final answer
    x = 139,481.58

Related Problems

Find third proportional to 14,605.50 and 31,915.50
Half scale
Find third proportional to 58,422 and 127,662
Double scale
Find third proportional to 29,213 and 63,835
Similar ratio
Find third proportional to 43,816.50 and 95,746.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.