Home / 65,600-135,867.50

Finding the Third Proportional to 65,600 and 135,867.50

Calculator

Solution

The third proportional to 65,600 and 135,867.50 is: 281,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,600 : 135,867.50 = 135,867.50 : x
  2. Step 2: Convert to fraction form
    65,600/135,867.50 = 135,867.50/x
  3. Step 3: Cross multiply
    65,600x = 135,867.50 × 135,867.50
  4. Step 4: Simplify right side
    65,600x = 18,459,977,556.25
  5. Step 5: Solve for x
    x = 18,459,977,556.25/65,600
  6. Step 6: Final answer
    x = 281,402.10

Related Problems

Find third proportional to 32,800 and 67,933.75
Half scale
Find third proportional to 131,200 and 271,735
Double scale
Find third proportional to 65,602 and 135,872
Similar ratio
Find third proportional to 98,400 and 203,801.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.