Home / 343,581-519,138

Finding the Third Proportional to 343,581 and 519,138

Calculator

Solution

The third proportional to 343,581 and 519,138 is: 784,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,581 : 519,138 = 519,138 : x
  2. Step 2: Convert to fraction form
    343,581/519,138 = 519,138/x
  3. Step 3: Cross multiply
    343,581x = 519,138 × 519,138
  4. Step 4: Simplify right side
    343,581x = 269,504,263,044
  5. Step 5: Solve for x
    x = 269,504,263,044/343,581
  6. Step 6: Final answer
    x = 784,398.04

Related Problems

Find third proportional to 171,790.50 and 259,569
Half scale
Find third proportional to 687,162 and 1,038,276
Double scale
Find third proportional to 343,583 and 519,141
Similar ratio
Find third proportional to 515,371.50 and 778,707
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.