Home / 87,816-189,816

Finding the Third Proportional to 87,816 and 189,816

Calculator

Solution

The third proportional to 87,816 and 189,816 is: 410,290.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,816 : 189,816 = 189,816 : x
  2. Step 2: Convert to fraction form
    87,816/189,816 = 189,816/x
  3. Step 3: Cross multiply
    87,816x = 189,816 × 189,816
  4. Step 4: Simplify right side
    87,816x = 36,030,113,856
  5. Step 5: Solve for x
    x = 36,030,113,856/87,816
  6. Step 6: Final answer
    x = 410,290.99

Related Problems

Find third proportional to 43,908 and 94,908
Half scale
Find third proportional to 175,632 and 379,632
Double scale
Find third proportional to 87,818 and 189,820
Similar ratio
Find third proportional to 131,724 and 284,724
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.