Home / 73,987-161,815

Finding the Third Proportional to 73,987 and 161,815

Calculator

Solution

The third proportional to 73,987 and 161,815 is: 353,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,987 : 161,815 = 161,815 : x
  2. Step 2: Convert to fraction form
    73,987/161,815 = 161,815/x
  3. Step 3: Cross multiply
    73,987x = 161,815 × 161,815
  4. Step 4: Simplify right side
    73,987x = 26,184,094,225
  5. Step 5: Solve for x
    x = 26,184,094,225/73,987
  6. Step 6: Final answer
    x = 353,901.28

Related Problems

Find third proportional to 36,993.50 and 80,907.50
Half scale
Find third proportional to 147,974 and 323,630
Double scale
Find third proportional to 73,989 and 161,819
Similar ratio
Find third proportional to 110,980.50 and 242,722.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.