Home / 145,736-213,676

Finding the Third Proportional to 145,736 and 213,676

Calculator

Solution

The third proportional to 145,736 and 213,676 is: 313,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,736 : 213,676 = 213,676 : x
  2. Step 2: Convert to fraction form
    145,736/213,676 = 213,676/x
  3. Step 3: Cross multiply
    145,736x = 213,676 × 213,676
  4. Step 4: Simplify right side
    145,736x = 45,657,432,976
  5. Step 5: Solve for x
    x = 45,657,432,976/145,736
  6. Step 6: Final answer
    x = 313,288.64

Related Problems

Find third proportional to 72,868 and 106,838
Half scale
Find third proportional to 291,472 and 427,352
Double scale
Find third proportional to 145,738 and 213,679
Similar ratio
Find third proportional to 218,604 and 320,514
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.