Home / 109,370-156,399

Finding the Third Proportional to 109,370 and 156,399

Calculator

Solution

The third proportional to 109,370 and 156,399 is: 223,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,370 : 156,399 = 156,399 : x
  2. Step 2: Convert to fraction form
    109,370/156,399 = 156,399/x
  3. Step 3: Cross multiply
    109,370x = 156,399 × 156,399
  4. Step 4: Simplify right side
    109,370x = 24,460,647,201
  5. Step 5: Solve for x
    x = 24,460,647,201/109,370
  6. Step 6: Final answer
    x = 223,650.43

Related Problems

Find third proportional to 54,685 and 78,199.50
Half scale
Find third proportional to 218,740 and 312,798
Double scale
Find third proportional to 109,372 and 156,402
Similar ratio
Find third proportional to 164,055 and 234,598.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.