Home / 257,924-365,286

Finding the Third Proportional to 257,924 and 365,286

Calculator

Solution

The third proportional to 257,924 and 365,286 is: 517,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,924 : 365,286 = 365,286 : x
  2. Step 2: Convert to fraction form
    257,924/365,286 = 365,286/x
  3. Step 3: Cross multiply
    257,924x = 365,286 × 365,286
  4. Step 4: Simplify right side
    257,924x = 133,433,861,796
  5. Step 5: Solve for x
    x = 133,433,861,796/257,924
  6. Step 6: Final answer
    x = 517,337.90

Related Problems

Find third proportional to 128,962 and 182,643
Half scale
Find third proportional to 515,848 and 730,572
Double scale
Find third proportional to 257,926 and 365,289
Similar ratio
Find third proportional to 386,886 and 547,929
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.