Home / 72,276-107,790

Finding the Third Proportional to 72,276 and 107,790

Calculator

Solution

The third proportional to 72,276 and 107,790 is: 160,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,276 : 107,790 = 107,790 : x
  2. Step 2: Convert to fraction form
    72,276/107,790 = 107,790/x
  3. Step 3: Cross multiply
    72,276x = 107,790 × 107,790
  4. Step 4: Simplify right side
    72,276x = 11,618,684,100
  5. Step 5: Solve for x
    x = 11,618,684,100/72,276
  6. Step 6: Final answer
    x = 160,754.39

Related Problems

Find third proportional to 36,138 and 53,895
Half scale
Find third proportional to 144,552 and 215,580
Double scale
Find third proportional to 72,278 and 107,793
Similar ratio
Find third proportional to 108,414 and 161,685
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.