Home / 343,157-517,436

Finding the Third Proportional to 343,157 and 517,436

Calculator

Solution

The third proportional to 343,157 and 517,436 is: 780,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,157 : 517,436 = 517,436 : x
  2. Step 2: Convert to fraction form
    343,157/517,436 = 517,436/x
  3. Step 3: Cross multiply
    343,157x = 517,436 × 517,436
  4. Step 4: Simplify right side
    343,157x = 267,740,014,096
  5. Step 5: Solve for x
    x = 267,740,014,096/343,157
  6. Step 6: Final answer
    x = 780,226.00

Related Problems

Find third proportional to 171,578.50 and 258,718
Half scale
Find third proportional to 686,314 and 1,034,872
Double scale
Find third proportional to 343,159 and 517,439
Similar ratio
Find third proportional to 514,735.50 and 776,154
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.