Home / 210,918-325,689

Finding the Third Proportional to 210,918 and 325,689

Calculator

Solution

The third proportional to 210,918 and 325,689 is: 502,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,918 : 325,689 = 325,689 : x
  2. Step 2: Convert to fraction form
    210,918/325,689 = 325,689/x
  3. Step 3: Cross multiply
    210,918x = 325,689 × 325,689
  4. Step 4: Simplify right side
    210,918x = 106,073,324,721
  5. Step 5: Solve for x
    x = 106,073,324,721/210,918
  6. Step 6: Final answer
    x = 502,912.62

Related Problems

Find third proportional to 105,459 and 162,844.50
Half scale
Find third proportional to 421,836 and 651,378
Double scale
Find third proportional to 210,920 and 325,692
Similar ratio
Find third proportional to 316,377 and 488,533.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.