Home / 156,982-343,124

Finding the Third Proportional to 156,982 and 343,124

Calculator

Solution

The third proportional to 156,982 and 343,124 is: 749,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982 : 343,124 = 343,124 : x
  2. Step 2: Convert to fraction form
    156,982/343,124 = 343,124/x
  3. Step 3: Cross multiply
    156,982x = 343,124 × 343,124
  4. Step 4: Simplify right side
    156,982x = 117,734,079,376
  5. Step 5: Solve for x
    x = 117,734,079,376/156,982
  6. Step 6: Final answer
    x = 749,984.58

Related Problems

Find third proportional to 78,491 and 171,562
Half scale
Find third proportional to 313,964 and 686,248
Double scale
Find third proportional to 156,984 and 343,128
Similar ratio
Find third proportional to 235,473 and 514,686
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.