Home / 85,842-133,615

Finding the Third Proportional to 85,842 and 133,615

Calculator

Solution

The third proportional to 85,842 and 133,615 is: 207,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,842 : 133,615 = 133,615 : x
  2. Step 2: Convert to fraction form
    85,842/133,615 = 133,615/x
  3. Step 3: Cross multiply
    85,842x = 133,615 × 133,615
  4. Step 4: Simplify right side
    85,842x = 17,852,968,225
  5. Step 5: Solve for x
    x = 17,852,968,225/85,842
  6. Step 6: Final answer
    x = 207,974.75

Related Problems

Find third proportional to 42,921 and 66,807.50
Half scale
Find third proportional to 171,684 and 267,230
Double scale
Find third proportional to 85,844 and 133,618
Similar ratio
Find third proportional to 128,763 and 200,422.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.