Home / 156,386-334,915

Finding the Third Proportional to 156,386 and 334,915

Calculator

Solution

The third proportional to 156,386 and 334,915 is: 717,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,386 : 334,915 = 334,915 : x
  2. Step 2: Convert to fraction form
    156,386/334,915 = 334,915/x
  3. Step 3: Cross multiply
    156,386x = 334,915 × 334,915
  4. Step 4: Simplify right side
    156,386x = 112,168,057,225
  5. Step 5: Solve for x
    x = 112,168,057,225/156,386
  6. Step 6: Final answer
    x = 717,251.27

Related Problems

Find third proportional to 78,193 and 167,457.50
Half scale
Find third proportional to 312,772 and 669,830
Double scale
Find third proportional to 156,388 and 334,919
Similar ratio
Find third proportional to 234,579 and 502,372.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.