Home / 63,170-86,787

Finding the Third Proportional to 63,170 and 86,787

Calculator

Solution

The third proportional to 63,170 and 86,787 is: 119,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,170 : 86,787 = 86,787 : x
  2. Step 2: Convert to fraction form
    63,170/86,787 = 86,787/x
  3. Step 3: Cross multiply
    63,170x = 86,787 × 86,787
  4. Step 4: Simplify right side
    63,170x = 7,531,983,369
  5. Step 5: Solve for x
    x = 7,531,983,369/63,170
  6. Step 6: Final answer
    x = 119,233.55

Related Problems

Find third proportional to 31,585 and 43,393.50
Half scale
Find third proportional to 126,340 and 173,574
Double scale
Find third proportional to 63,172 and 86,790
Similar ratio
Find third proportional to 94,755 and 130,180.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.