Home / 113,663-178,318

Finding the Third Proportional to 113,663 and 178,318

Calculator

Solution

The third proportional to 113,663 and 178,318 is: 279,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,663 : 178,318 = 178,318 : x
  2. Step 2: Convert to fraction form
    113,663/178,318 = 178,318/x
  3. Step 3: Cross multiply
    113,663x = 178,318 × 178,318
  4. Step 4: Simplify right side
    113,663x = 31,797,309,124
  5. Step 5: Solve for x
    x = 31,797,309,124/113,663
  6. Step 6: Final answer
    x = 279,750.75

Related Problems

Find third proportional to 56,831.50 and 89,159
Half scale
Find third proportional to 227,326 and 356,636
Double scale
Find third proportional to 113,665 and 178,321
Similar ratio
Find third proportional to 170,494.50 and 267,477
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.