Home / 323,758-490,152

Finding the Third Proportional to 323,758 and 490,152

Calculator

Solution

The third proportional to 323,758 and 490,152 is: 742,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,758 : 490,152 = 490,152 : x
  2. Step 2: Convert to fraction form
    323,758/490,152 = 490,152/x
  3. Step 3: Cross multiply
    323,758x = 490,152 × 490,152
  4. Step 4: Simplify right side
    323,758x = 240,248,983,104
  5. Step 5: Solve for x
    x = 240,248,983,104/323,758
  6. Step 6: Final answer
    x = 742,063.46

Related Problems

Find third proportional to 161,879 and 245,076
Half scale
Find third proportional to 647,516 and 980,304
Double scale
Find third proportional to 323,760 and 490,155
Similar ratio
Find third proportional to 485,637 and 735,228
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.