Home / 135,244-210,521

Finding the Third Proportional to 135,244 and 210,521

Calculator

Solution

The third proportional to 135,244 and 210,521 is: 327,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,244 : 210,521 = 210,521 : x
  2. Step 2: Convert to fraction form
    135,244/210,521 = 210,521/x
  3. Step 3: Cross multiply
    135,244x = 210,521 × 210,521
  4. Step 4: Simplify right side
    135,244x = 44,319,091,441
  5. Step 5: Solve for x
    x = 44,319,091,441/135,244
  6. Step 6: Final answer
    x = 327,697.28

Related Problems

Find third proportional to 67,622 and 105,260.50
Half scale
Find third proportional to 270,488 and 421,042
Double scale
Find third proportional to 135,246 and 210,524
Similar ratio
Find third proportional to 202,866 and 315,781.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.