Home / 121,669-162,747

Finding the Third Proportional to 121,669 and 162,747

Calculator

Solution

The third proportional to 121,669 and 162,747 is: 217,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,669 : 162,747 = 162,747 : x
  2. Step 2: Convert to fraction form
    121,669/162,747 = 162,747/x
  3. Step 3: Cross multiply
    121,669x = 162,747 × 162,747
  4. Step 4: Simplify right side
    121,669x = 26,486,586,009
  5. Step 5: Solve for x
    x = 26,486,586,009/121,669
  6. Step 6: Final answer
    x = 217,693.79

Related Problems

Find third proportional to 60,834.50 and 81,373.50
Half scale
Find third proportional to 243,338 and 325,494
Double scale
Find third proportional to 121,671 and 162,750
Similar ratio
Find third proportional to 182,503.50 and 244,120.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.