Home / 90,108-129,796

Finding the Third Proportional to 90,108 and 129,796

Calculator

Solution

The third proportional to 90,108 and 129,796 is: 186,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,108 : 129,796 = 129,796 : x
  2. Step 2: Convert to fraction form
    90,108/129,796 = 129,796/x
  3. Step 3: Cross multiply
    90,108x = 129,796 × 129,796
  4. Step 4: Simplify right side
    90,108x = 16,847,001,616
  5. Step 5: Solve for x
    x = 16,847,001,616/90,108
  6. Step 6: Final answer
    x = 186,964.55

Related Problems

Find third proportional to 45,054 and 64,898
Half scale
Find third proportional to 180,216 and 259,592
Double scale
Find third proportional to 90,110 and 129,799
Similar ratio
Find third proportional to 135,162 and 194,694
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.