Home / 165,543.75-218,578.50

Finding the Third Proportional to 165,543.75 and 218,578.50

Calculator

Solution

The third proportional to 165,543.75 and 218,578.50 is: 288,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,543.75 : 218,578.50 = 218,578.50 : x
  2. Step 2: Convert to fraction form
    165,543.75/218,578.50 = 218,578.50/x
  3. Step 3: Cross multiply
    165,543.75x = 218,578.50 × 218,578.50
  4. Step 4: Simplify right side
    165,543.75x = 47,776,560,662.25
  5. Step 5: Solve for x
    x = 47,776,560,662.25/165,543.75
  6. Step 6: Final answer
    x = 288,603.83

Related Problems

Find third proportional to 82,771.88 and 109,289.25
Half scale
Find third proportional to 331,087.50 and 437,157
Double scale
Find third proportional to 165,546 and 218,581
Similar ratio
Find third proportional to 248,315.63 and 327,867.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.