Home / 315,310-476,238

Finding the Third Proportional to 315,310 and 476,238

Calculator

Solution

The third proportional to 315,310 and 476,238 is: 719,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,310 : 476,238 = 476,238 : x
  2. Step 2: Convert to fraction form
    315,310/476,238 = 476,238/x
  3. Step 3: Cross multiply
    315,310x = 476,238 × 476,238
  4. Step 4: Simplify right side
    315,310x = 226,802,632,644
  5. Step 5: Solve for x
    x = 226,802,632,644/315,310
  6. Step 6: Final answer
    x = 719,300.47

Related Problems

Find third proportional to 157,655 and 238,119
Half scale
Find third proportional to 630,620 and 952,476
Double scale
Find third proportional to 315,312 and 476,241
Similar ratio
Find third proportional to 472,965 and 714,357
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.