Home / 157,801-221,957.50

Finding the Third Proportional to 157,801 and 221,957.50

Calculator

Solution

The third proportional to 157,801 and 221,957.50 is: 312,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,801 : 221,957.50 = 221,957.50 : x
  2. Step 2: Convert to fraction form
    157,801/221,957.50 = 221,957.50/x
  3. Step 3: Cross multiply
    157,801x = 221,957.50 × 221,957.50
  4. Step 4: Simplify right side
    157,801x = 49,265,131,806.25
  5. Step 5: Solve for x
    x = 49,265,131,806.25/157,801
  6. Step 6: Final answer
    x = 312,197.84

Related Problems

Find third proportional to 78,900.50 and 110,978.75
Half scale
Find third proportional to 315,602 and 443,915
Double scale
Find third proportional to 157,803 and 221,960
Similar ratio
Find third proportional to 236,701.50 and 332,936.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.