Home / 505,116-784,236

Finding the Third Proportional to 505,116 and 784,236

Calculator

Solution

The third proportional to 505,116 and 784,236 is: 1,217,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,116 : 784,236 = 784,236 : x
  2. Step 2: Convert to fraction form
    505,116/784,236 = 784,236/x
  3. Step 3: Cross multiply
    505,116x = 784,236 × 784,236
  4. Step 4: Simplify right side
    505,116x = 615,026,103,696
  5. Step 5: Solve for x
    x = 615,026,103,696/505,116
  6. Step 6: Final answer
    x = 1,217,593.79

Related Problems

Find third proportional to 252,558 and 392,118
Half scale
Find third proportional to 1,010,232 and 1,568,472
Double scale
Find third proportional to 505,118 and 784,239
Similar ratio
Find third proportional to 757,674 and 1,176,354
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.