Home / 121,228-163,070

Finding the Third Proportional to 121,228 and 163,070

Calculator

Solution

The third proportional to 121,228 and 163,070 is: 219,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,228 : 163,070 = 163,070 : x
  2. Step 2: Convert to fraction form
    121,228/163,070 = 163,070/x
  3. Step 3: Cross multiply
    121,228x = 163,070 × 163,070
  4. Step 4: Simplify right side
    121,228x = 26,591,824,900
  5. Step 5: Solve for x
    x = 26,591,824,900/121,228
  6. Step 6: Final answer
    x = 219,353.82

Related Problems

Find third proportional to 60,614 and 81,535
Half scale
Find third proportional to 242,456 and 326,140
Double scale
Find third proportional to 121,230 and 163,073
Similar ratio
Find third proportional to 181,842 and 244,605
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.