Home / 100,303.50-218,595

Finding the Third Proportional to 100,303.50 and 218,595

Calculator

Solution

The third proportional to 100,303.50 and 218,595 is: 476,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,303.50 : 218,595 = 218,595 : x
  2. Step 2: Convert to fraction form
    100,303.50/218,595 = 218,595/x
  3. Step 3: Cross multiply
    100,303.50x = 218,595 × 218,595
  4. Step 4: Simplify right side
    100,303.50x = 47,783,774,025
  5. Step 5: Solve for x
    x = 47,783,774,025/100,303.50
  6. Step 6: Final answer
    x = 476,391.89

Related Problems

Find third proportional to 50,151.75 and 109,297.50
Half scale
Find third proportional to 200,607 and 437,190
Double scale
Find third proportional to 100,306 and 218,599
Similar ratio
Find third proportional to 150,455.25 and 327,892.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.