Home / 13,160-15,128

Finding the Third Proportional to 13,160 and 15,128

Calculator

Solution

The third proportional to 13,160 and 15,128 is: 17,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160 : 15,128 = 15,128 : x
  2. Step 2: Convert to fraction form
    13,160/15,128 = 15,128/x
  3. Step 3: Cross multiply
    13,160x = 15,128 × 15,128
  4. Step 4: Simplify right side
    13,160x = 228,856,384
  5. Step 5: Solve for x
    x = 228,856,384/13,160
  6. Step 6: Final answer
    x = 17,390.30

Related Problems

Find third proportional to 6,580 and 7,564
Half scale
Find third proportional to 26,320 and 30,256
Double scale
Find third proportional to 13,162 and 15,130
Similar ratio
Find third proportional to 19,740 and 22,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.