Home / 171,428-351,208

Finding the Third Proportional to 171,428 and 351,208

Calculator

Solution

The third proportional to 171,428 and 351,208 is: 719,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,428 : 351,208 = 351,208 : x
  2. Step 2: Convert to fraction form
    171,428/351,208 = 351,208/x
  3. Step 3: Cross multiply
    171,428x = 351,208 × 351,208
  4. Step 4: Simplify right side
    171,428x = 123,347,059,264
  5. Step 5: Solve for x
    x = 123,347,059,264/171,428
  6. Step 6: Final answer
    x = 719,526.91

Related Problems

Find third proportional to 85,714 and 175,604
Half scale
Find third proportional to 342,856 and 702,416
Double scale
Find third proportional to 171,430 and 351,212
Similar ratio
Find third proportional to 257,142 and 526,812
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.