Home / 102,372-212,918

Finding the Third Proportional to 102,372 and 212,918

Calculator

Solution

The third proportional to 102,372 and 212,918 is: 442,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,372 : 212,918 = 212,918 : x
  2. Step 2: Convert to fraction form
    102,372/212,918 = 212,918/x
  3. Step 3: Cross multiply
    102,372x = 212,918 × 212,918
  4. Step 4: Simplify right side
    102,372x = 45,334,074,724
  5. Step 5: Solve for x
    x = 45,334,074,724/102,372
  6. Step 6: Final answer
    x = 442,836.66

Related Problems

Find third proportional to 51,186 and 106,459
Half scale
Find third proportional to 204,744 and 425,836
Double scale
Find third proportional to 102,374 and 212,922
Similar ratio
Find third proportional to 153,558 and 319,377
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.