Home / 151,730-218,558

Finding the Third Proportional to 151,730 and 218,558

Calculator

Solution

The third proportional to 151,730 and 218,558 is: 314,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,730 : 218,558 = 218,558 : x
  2. Step 2: Convert to fraction form
    151,730/218,558 = 218,558/x
  3. Step 3: Cross multiply
    151,730x = 218,558 × 218,558
  4. Step 4: Simplify right side
    151,730x = 47,767,599,364
  5. Step 5: Solve for x
    x = 47,767,599,364/151,730
  6. Step 6: Final answer
    x = 314,819.74

Related Problems

Find third proportional to 75,865 and 109,279
Half scale
Find third proportional to 303,460 and 437,116
Double scale
Find third proportional to 151,732 and 218,561
Similar ratio
Find third proportional to 227,595 and 327,837
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.