Home / 6,972-15,138

Finding the Third Proportional to 6,972 and 15,138

Calculator

Solution

The third proportional to 6,972 and 15,138 is: 32,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972 : 15,138 = 15,138 : x
  2. Step 2: Convert to fraction form
    6,972/15,138 = 15,138/x
  3. Step 3: Cross multiply
    6,972x = 15,138 × 15,138
  4. Step 4: Simplify right side
    6,972x = 229,159,044
  5. Step 5: Solve for x
    x = 229,159,044/6,972
  6. Step 6: Final answer
    x = 32,868.48

Related Problems

Find third proportional to 3,486 and 7,569
Half scale
Find third proportional to 13,944 and 30,276
Double scale
Find third proportional to 6,974 and 15,142
Similar ratio
Find third proportional to 10,458 and 22,707
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.