Home / 121,875-182,814

Finding the Third Proportional to 121,875 and 182,814

Calculator

Solution

The third proportional to 121,875 and 182,814 is: 274,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,875 : 182,814 = 182,814 : x
  2. Step 2: Convert to fraction form
    121,875/182,814 = 182,814/x
  3. Step 3: Cross multiply
    121,875x = 182,814 × 182,814
  4. Step 4: Simplify right side
    121,875x = 33,420,958,596
  5. Step 5: Solve for x
    x = 33,420,958,596/121,875
  6. Step 6: Final answer
    x = 274,223.25

Related Problems

Find third proportional to 60,937.50 and 91,407
Half scale
Find third proportional to 243,750 and 365,628
Double scale
Find third proportional to 121,877 and 182,817
Similar ratio
Find third proportional to 182,812.50 and 274,221
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.