Home / 54,313-81,816

Finding the Third Proportional to 54,313 and 81,816

Calculator

Solution

The third proportional to 54,313 and 81,816 is: 123,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,313 : 81,816 = 81,816 : x
  2. Step 2: Convert to fraction form
    54,313/81,816 = 81,816/x
  3. Step 3: Cross multiply
    54,313x = 81,816 × 81,816
  4. Step 4: Simplify right side
    54,313x = 6,693,857,856
  5. Step 5: Solve for x
    x = 6,693,857,856/54,313
  6. Step 6: Final answer
    x = 123,245.96

Related Problems

Find third proportional to 27,156.50 and 40,908
Half scale
Find third proportional to 108,626 and 163,632
Double scale
Find third proportional to 54,315 and 81,819
Similar ratio
Find third proportional to 81,469.50 and 122,724
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.