Home / 12,854-28,170

Finding the Third Proportional to 12,854 and 28,170

Calculator

Solution

The third proportional to 12,854 and 28,170 is: 61,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854 : 28,170 = 28,170 : x
  2. Step 2: Convert to fraction form
    12,854/28,170 = 28,170/x
  3. Step 3: Cross multiply
    12,854x = 28,170 × 28,170
  4. Step 4: Simplify right side
    12,854x = 793,548,900
  5. Step 5: Solve for x
    x = 793,548,900/12,854
  6. Step 6: Final answer
    x = 61,735.56

Related Problems

Find third proportional to 6,427 and 14,085
Half scale
Find third proportional to 25,708 and 56,340
Double scale
Find third proportional to 12,856 and 28,174
Similar ratio
Find third proportional to 19,281 and 42,255
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.