Home / 71,800-157,212

Finding the Third Proportional to 71,800 and 157,212

Calculator

Solution

The third proportional to 71,800 and 157,212 is: 344,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,800 : 157,212 = 157,212 : x
  2. Step 2: Convert to fraction form
    71,800/157,212 = 157,212/x
  3. Step 3: Cross multiply
    71,800x = 157,212 × 157,212
  4. Step 4: Simplify right side
    71,800x = 24,715,612,944
  5. Step 5: Solve for x
    x = 24,715,612,944/71,800
  6. Step 6: Final answer
    x = 344,228.59

Related Problems

Find third proportional to 35,900 and 78,606
Half scale
Find third proportional to 143,600 and 314,424
Double scale
Find third proportional to 71,802 and 157,216
Similar ratio
Find third proportional to 107,700 and 235,818
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.