Home / 152,860.50-220,177.50

Finding the Third Proportional to 152,860.50 and 220,177.50

Calculator

Solution

The third proportional to 152,860.50 and 220,177.50 is: 317,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,860.50 : 220,177.50 = 220,177.50 : x
  2. Step 2: Convert to fraction form
    152,860.50/220,177.50 = 220,177.50/x
  3. Step 3: Cross multiply
    152,860.50x = 220,177.50 × 220,177.50
  4. Step 4: Simplify right side
    152,860.50x = 48,478,131,506.25
  5. Step 5: Solve for x
    x = 48,478,131,506.25/152,860.50
  6. Step 6: Final answer
    x = 317,139.69

Related Problems

Find third proportional to 76,430.25 and 110,088.75
Half scale
Find third proportional to 305,721 and 440,355
Double scale
Find third proportional to 152,863 and 220,180
Similar ratio
Find third proportional to 229,290.75 and 330,266.25
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.