Home / 180,036-391,812

Finding the Third Proportional to 180,036 and 391,812

Calculator

Solution

The third proportional to 180,036 and 391,812 is: 852,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,036 : 391,812 = 391,812 : x
  2. Step 2: Convert to fraction form
    180,036/391,812 = 391,812/x
  3. Step 3: Cross multiply
    180,036x = 391,812 × 391,812
  4. Step 4: Simplify right side
    180,036x = 153,516,643,344
  5. Step 5: Solve for x
    x = 153,516,643,344/180,036
  6. Step 6: Final answer
    x = 852,699.70

Related Problems

Find third proportional to 90,018 and 195,906
Half scale
Find third proportional to 360,072 and 783,624
Double scale
Find third proportional to 180,038 and 391,816
Similar ratio
Find third proportional to 270,054 and 587,718
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.