Home / 85,167-129,816

Finding the Third Proportional to 85,167 and 129,816

Calculator

Solution

The third proportional to 85,167 and 129,816 is: 197,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,167 : 129,816 = 129,816 : x
  2. Step 2: Convert to fraction form
    85,167/129,816 = 129,816/x
  3. Step 3: Cross multiply
    85,167x = 129,816 × 129,816
  4. Step 4: Simplify right side
    85,167x = 16,852,193,856
  5. Step 5: Solve for x
    x = 16,852,193,856/85,167
  6. Step 6: Final answer
    x = 197,872.34

Related Problems

Find third proportional to 42,583.50 and 64,908
Half scale
Find third proportional to 170,334 and 259,632
Double scale
Find third proportional to 85,169 and 129,819
Similar ratio
Find third proportional to 127,750.50 and 194,724
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.