Home / 156,979-343,299

Finding the Third Proportional to 156,979 and 343,299

Calculator

Solution

The third proportional to 156,979 and 343,299 is: 750,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979 : 343,299 = 343,299 : x
  2. Step 2: Convert to fraction form
    156,979/343,299 = 343,299/x
  3. Step 3: Cross multiply
    156,979x = 343,299 × 343,299
  4. Step 4: Simplify right side
    156,979x = 117,854,203,401
  5. Step 5: Solve for x
    x = 117,854,203,401/156,979
  6. Step 6: Final answer
    x = 750,764.14

Related Problems

Find third proportional to 78,489.50 and 171,649.50
Half scale
Find third proportional to 313,958 and 686,598
Double scale
Find third proportional to 156,981 and 343,303
Similar ratio
Find third proportional to 235,468.50 and 514,948.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.