Home / 214,288-323,376

Finding the Third Proportional to 214,288 and 323,376

Calculator

Solution

The third proportional to 214,288 and 323,376 is: 487,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,288 : 323,376 = 323,376 : x
  2. Step 2: Convert to fraction form
    214,288/323,376 = 323,376/x
  3. Step 3: Cross multiply
    214,288x = 323,376 × 323,376
  4. Step 4: Simplify right side
    214,288x = 104,572,037,376
  5. Step 5: Solve for x
    x = 104,572,037,376/214,288
  6. Step 6: Final answer
    x = 487,997.64

Related Problems

Find third proportional to 107,144 and 161,688
Half scale
Find third proportional to 428,576 and 646,752
Double scale
Find third proportional to 214,290 and 323,379
Similar ratio
Find third proportional to 321,432 and 485,064
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.