Home / 151,719-218,546

Finding the Third Proportional to 151,719 and 218,546

Calculator

Solution

The third proportional to 151,719 and 218,546 is: 314,807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719 : 218,546 = 218,546 : x
  2. Step 2: Convert to fraction form
    151,719/218,546 = 218,546/x
  3. Step 3: Cross multiply
    151,719x = 218,546 × 218,546
  4. Step 4: Simplify right side
    151,719x = 47,762,354,116
  5. Step 5: Solve for x
    x = 47,762,354,116/151,719
  6. Step 6: Final answer
    x = 314,807.99

Related Problems

Find third proportional to 75,859.50 and 109,273
Half scale
Find third proportional to 303,438 and 437,092
Double scale
Find third proportional to 151,721 and 218,549
Similar ratio
Find third proportional to 227,578.50 and 327,819
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.