Home / 214,672-315,442

Finding the Third Proportional to 214,672 and 315,442

Calculator

Solution

The third proportional to 214,672 and 315,442 is: 463,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,672 : 315,442 = 315,442 : x
  2. Step 2: Convert to fraction form
    214,672/315,442 = 315,442/x
  3. Step 3: Cross multiply
    214,672x = 315,442 × 315,442
  4. Step 4: Simplify right side
    214,672x = 99,503,655,364
  5. Step 5: Solve for x
    x = 99,503,655,364/214,672
  6. Step 6: Final answer
    x = 463,514.83

Related Problems

Find third proportional to 107,336 and 157,721
Half scale
Find third proportional to 429,344 and 630,884
Double scale
Find third proportional to 214,674 and 315,445
Similar ratio
Find third proportional to 322,008 and 473,163
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.