Home / 142,722-218,661.75

Finding the Third Proportional to 142,722 and 218,661.75

Calculator

Solution

The third proportional to 142,722 and 218,661.75 is: 335,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,722 : 218,661.75 = 218,661.75 : x
  2. Step 2: Convert to fraction form
    142,722/218,661.75 = 218,661.75/x
  3. Step 3: Cross multiply
    142,722x = 218,661.75 × 218,661.75
  4. Step 4: Simplify right side
    142,722x = 47,812,960,913.06
  5. Step 5: Solve for x
    x = 47,812,960,913.06/142,722
  6. Step 6: Final answer
    x = 335,007.64

Related Problems

Find third proportional to 71,361 and 109,330.88
Half scale
Find third proportional to 285,444 and 437,323.50
Double scale
Find third proportional to 142,724 and 218,665
Similar ratio
Find third proportional to 214,083 and 327,992.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.