Home / 120,730-163,963

Finding the Third Proportional to 120,730 and 163,963

Calculator

Solution

The third proportional to 120,730 and 163,963 is: 222,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,730 : 163,963 = 163,963 : x
  2. Step 2: Convert to fraction form
    120,730/163,963 = 163,963/x
  3. Step 3: Cross multiply
    120,730x = 163,963 × 163,963
  4. Step 4: Simplify right side
    120,730x = 26,883,865,369
  5. Step 5: Solve for x
    x = 26,883,865,369/120,730
  6. Step 6: Final answer
    x = 222,677.59

Related Problems

Find third proportional to 60,365 and 81,981.50
Half scale
Find third proportional to 241,460 and 327,926
Double scale
Find third proportional to 120,732 and 163,966
Similar ratio
Find third proportional to 181,095 and 245,944.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.