Home / 8,980-13,160

Finding the Third Proportional to 8,980 and 13,160

Calculator

Solution

The third proportional to 8,980 and 13,160 is: 19,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980 : 13,160 = 13,160 : x
  2. Step 2: Convert to fraction form
    8,980/13,160 = 13,160/x
  3. Step 3: Cross multiply
    8,980x = 13,160 × 13,160
  4. Step 4: Simplify right side
    8,980x = 173,185,600
  5. Step 5: Solve for x
    x = 173,185,600/8,980
  6. Step 6: Final answer
    x = 19,285.70

Related Problems

Find third proportional to 4,490 and 6,580
Half scale
Find third proportional to 17,960 and 26,320
Double scale
Find third proportional to 8,982 and 13,163
Similar ratio
Find third proportional to 13,470 and 19,740
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.