Home / 212,312-325,839

Finding the Third Proportional to 212,312 and 325,839

Calculator

Solution

The third proportional to 212,312 and 325,839 is: 500,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,312 : 325,839 = 325,839 : x
  2. Step 2: Convert to fraction form
    212,312/325,839 = 325,839/x
  3. Step 3: Cross multiply
    212,312x = 325,839 × 325,839
  4. Step 4: Simplify right side
    212,312x = 106,171,053,921
  5. Step 5: Solve for x
    x = 106,171,053,921/212,312
  6. Step 6: Final answer
    x = 500,070.90

Related Problems

Find third proportional to 106,156 and 162,919.50
Half scale
Find third proportional to 424,624 and 651,678
Double scale
Find third proportional to 212,314 and 325,842
Similar ratio
Find third proportional to 318,468 and 488,758.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.