Home / 86,257.50-115,928.25

Finding the Third Proportional to 86,257.50 and 115,928.25

Calculator

Solution

The third proportional to 86,257.50 and 115,928.25 is: 155,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,257.50 : 115,928.25 = 115,928.25 : x
  2. Step 2: Convert to fraction form
    86,257.50/115,928.25 = 115,928.25/x
  3. Step 3: Cross multiply
    86,257.50x = 115,928.25 × 115,928.25
  4. Step 4: Simplify right side
    86,257.50x = 13,439,359,148.06
  5. Step 5: Solve for x
    x = 13,439,359,148.06/86,257.50
  6. Step 6: Final answer
    x = 155,805.11

Related Problems

Find third proportional to 43,128.75 and 57,964.13
Half scale
Find third proportional to 172,515 and 231,856.50
Double scale
Find third proportional to 86,260 and 115,931
Similar ratio
Find third proportional to 129,386.25 and 173,892.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.