Home / 37,470-81,805

Finding the Third Proportional to 37,470 and 81,805

Calculator

Solution

The third proportional to 37,470 and 81,805 is: 178,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,470 : 81,805 = 81,805 : x
  2. Step 2: Convert to fraction form
    37,470/81,805 = 81,805/x
  3. Step 3: Cross multiply
    37,470x = 81,805 × 81,805
  4. Step 4: Simplify right side
    37,470x = 6,692,058,025
  5. Step 5: Solve for x
    x = 6,692,058,025/37,470
  6. Step 6: Final answer
    x = 178,597.76

Related Problems

Find third proportional to 18,735 and 40,902.50
Half scale
Find third proportional to 74,940 and 163,610
Double scale
Find third proportional to 37,472 and 81,809
Similar ratio
Find third proportional to 56,205 and 122,707.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.