Home / 8,856-18,288

Finding the Third Proportional to 8,856 and 18,288

Calculator

Solution

The third proportional to 8,856 and 18,288 is: 37,765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856 : 18,288 = 18,288 : x
  2. Step 2: Convert to fraction form
    8,856/18,288 = 18,288/x
  3. Step 3: Cross multiply
    8,856x = 18,288 × 18,288
  4. Step 4: Simplify right side
    8,856x = 334,450,944
  5. Step 5: Solve for x
    x = 334,450,944/8,856
  6. Step 6: Final answer
    x = 37,765.46

Related Problems

Find third proportional to 4,428 and 9,144
Half scale
Find third proportional to 17,712 and 36,576
Double scale
Find third proportional to 8,858 and 18,292
Similar ratio
Find third proportional to 13,284 and 27,432
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.