Home / 121,759-182,143

Finding the Third Proportional to 121,759 and 182,143

Calculator

Solution

The third proportional to 121,759 and 182,143 is: 272,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,759 : 182,143 = 182,143 : x
  2. Step 2: Convert to fraction form
    121,759/182,143 = 182,143/x
  3. Step 3: Cross multiply
    121,759x = 182,143 × 182,143
  4. Step 4: Simplify right side
    121,759x = 33,176,072,449
  5. Step 5: Solve for x
    x = 33,176,072,449/121,759
  6. Step 6: Final answer
    x = 272,473.27

Related Problems

Find third proportional to 60,879.50 and 91,071.50
Half scale
Find third proportional to 243,518 and 364,286
Double scale
Find third proportional to 121,761 and 182,146
Similar ratio
Find third proportional to 182,638.50 and 273,214.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.