Home / 242,389.50-520,761

Finding the Third Proportional to 242,389.50 and 520,761

Calculator

Solution

The third proportional to 242,389.50 and 520,761 is: 1,118,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,389.50 : 520,761 = 520,761 : x
  2. Step 2: Convert to fraction form
    242,389.50/520,761 = 520,761/x
  3. Step 3: Cross multiply
    242,389.50x = 520,761 × 520,761
  4. Step 4: Simplify right side
    242,389.50x = 271,192,019,121
  5. Step 5: Solve for x
    x = 271,192,019,121/242,389.50
  6. Step 6: Final answer
    x = 1,118,827.42

Related Problems

Find third proportional to 121,194.75 and 260,380.50
Half scale
Find third proportional to 484,779 and 1,041,522
Double scale
Find third proportional to 242,392 and 520,765
Similar ratio
Find third proportional to 363,584.25 and 781,141.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.