Home / 12,980-19,070

Finding the Third Proportional to 12,980 and 19,070

Calculator

Solution

The third proportional to 12,980 and 19,070 is: 28,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980 : 19,070 = 19,070 : x
  2. Step 2: Convert to fraction form
    12,980/19,070 = 19,070/x
  3. Step 3: Cross multiply
    12,980x = 19,070 × 19,070
  4. Step 4: Simplify right side
    12,980x = 363,664,900
  5. Step 5: Solve for x
    x = 363,664,900/12,980
  6. Step 6: Final answer
    x = 28,017.33

Related Problems

Find third proportional to 6,490 and 9,535
Half scale
Find third proportional to 25,960 and 38,140
Double scale
Find third proportional to 12,982 and 19,073
Similar ratio
Find third proportional to 19,470 and 28,605
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.