Home / 156,717-344,534

Finding the Third Proportional to 156,717 and 344,534

Calculator

Solution

The third proportional to 156,717 and 344,534 is: 757,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717 : 344,534 = 344,534 : x
  2. Step 2: Convert to fraction form
    156,717/344,534 = 344,534/x
  3. Step 3: Cross multiply
    156,717x = 344,534 × 344,534
  4. Step 4: Simplify right side
    156,717x = 118,703,677,156
  5. Step 5: Solve for x
    x = 118,703,677,156/156,717
  6. Step 6: Final answer
    x = 757,439.70

Related Problems

Find third proportional to 78,358.50 and 172,267
Half scale
Find third proportional to 313,434 and 689,068
Double scale
Find third proportional to 156,719 and 344,538
Similar ratio
Find third proportional to 235,075.50 and 516,801
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.