Home / 181,805-390,595

Finding the Third Proportional to 181,805 and 390,595

Calculator

Solution

The third proportional to 181,805 and 390,595 is: 839,165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,805 : 390,595 = 390,595 : x
  2. Step 2: Convert to fraction form
    181,805/390,595 = 390,595/x
  3. Step 3: Cross multiply
    181,805x = 390,595 × 390,595
  4. Step 4: Simplify right side
    181,805x = 152,564,454,025
  5. Step 5: Solve for x
    x = 152,564,454,025/181,805
  6. Step 6: Final answer
    x = 839,165.34

Related Problems

Find third proportional to 90,902.50 and 195,297.50
Half scale
Find third proportional to 363,610 and 781,190
Double scale
Find third proportional to 181,807 and 390,599
Similar ratio
Find third proportional to 272,707.50 and 585,892.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.