Home / 102,861-155,385

Finding the Third Proportional to 102,861 and 155,385

Calculator

Solution

The third proportional to 102,861 and 155,385 is: 234,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,861 : 155,385 = 155,385 : x
  2. Step 2: Convert to fraction form
    102,861/155,385 = 155,385/x
  3. Step 3: Cross multiply
    102,861x = 155,385 × 155,385
  4. Step 4: Simplify right side
    102,861x = 24,144,498,225
  5. Step 5: Solve for x
    x = 24,144,498,225/102,861
  6. Step 6: Final answer
    x = 234,729.37

Related Problems

Find third proportional to 51,430.50 and 77,692.50
Half scale
Find third proportional to 205,722 and 310,770
Double scale
Find third proportional to 102,863 and 155,388
Similar ratio
Find third proportional to 154,291.50 and 233,077.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.