Home / 151,739-218,586

Finding the Third Proportional to 151,739 and 218,586

Calculator

Solution

The third proportional to 151,739 and 218,586 is: 314,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,739 : 218,586 = 218,586 : x
  2. Step 2: Convert to fraction form
    151,739/218,586 = 218,586/x
  3. Step 3: Cross multiply
    151,739x = 218,586 × 218,586
  4. Step 4: Simplify right side
    151,739x = 47,779,839,396
  5. Step 5: Solve for x
    x = 47,779,839,396/151,739
  6. Step 6: Final answer
    x = 314,881.73

Related Problems

Find third proportional to 75,869.50 and 109,293
Half scale
Find third proportional to 303,478 and 437,172
Double scale
Find third proportional to 151,741 and 218,589
Similar ratio
Find third proportional to 227,608.50 and 327,879
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.