Home / 60,784-91,987

Finding the Third Proportional to 60,784 and 91,987

Calculator

Solution

The third proportional to 60,784 and 91,987 is: 139,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,784 : 91,987 = 91,987 : x
  2. Step 2: Convert to fraction form
    60,784/91,987 = 91,987/x
  3. Step 3: Cross multiply
    60,784x = 91,987 × 91,987
  4. Step 4: Simplify right side
    60,784x = 8,461,608,169
  5. Step 5: Solve for x
    x = 8,461,608,169/60,784
  6. Step 6: Final answer
    x = 139,207.82

Related Problems

Find third proportional to 30,392 and 45,993.50
Half scale
Find third proportional to 121,568 and 183,974
Double scale
Find third proportional to 60,786 and 91,990
Similar ratio
Find third proportional to 91,176 and 137,980.50
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.