Home / 88,970-138,556

Finding the Third Proportional to 88,970 and 138,556

Calculator

Solution

The third proportional to 88,970 and 138,556 is: 215,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,970 : 138,556 = 138,556 : x
  2. Step 2: Convert to fraction form
    88,970/138,556 = 138,556/x
  3. Step 3: Cross multiply
    88,970x = 138,556 × 138,556
  4. Step 4: Simplify right side
    88,970x = 19,197,765,136
  5. Step 5: Solve for x
    x = 19,197,765,136/88,970
  6. Step 6: Final answer
    x = 215,777.96

Related Problems

Find third proportional to 44,485 and 69,278
Half scale
Find third proportional to 177,940 and 277,112
Double scale
Find third proportional to 88,972 and 138,559
Similar ratio
Find third proportional to 133,455 and 207,834
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.