Home / 343,154-517,254

Finding the Third Proportional to 343,154 and 517,254

Calculator

Solution

The third proportional to 343,154 and 517,254 is: 779,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,154 : 517,254 = 517,254 : x
  2. Step 2: Convert to fraction form
    343,154/517,254 = 517,254/x
  3. Step 3: Cross multiply
    343,154x = 517,254 × 517,254
  4. Step 4: Simplify right side
    343,154x = 267,551,700,516
  5. Step 5: Solve for x
    x = 267,551,700,516/343,154
  6. Step 6: Final answer
    x = 779,684.05

Related Problems

Find third proportional to 171,577 and 258,627
Half scale
Find third proportional to 686,308 and 1,034,508
Double scale
Find third proportional to 343,156 and 517,257
Similar ratio
Find third proportional to 514,731 and 775,881
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.