Home / 9,800-15,540

Finding the Third Proportional to 9,800 and 15,540

Calculator

Solution

The third proportional to 9,800 and 15,540 is: 24,642

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800 : 15,540 = 15,540 : x
  2. Step 2: Convert to fraction form
    9,800/15,540 = 15,540/x
  3. Step 3: Cross multiply
    9,800x = 15,540 × 15,540
  4. Step 4: Simplify right side
    9,800x = 241,491,600
  5. Step 5: Solve for x
    x = 241,491,600/9,800
  6. Step 6: Final answer
    x = 24,642

Related Problems

Find third proportional to 4,900 and 7,770
Half scale
Find third proportional to 19,600 and 31,080
Double scale
Find third proportional to 9,802 and 15,543
Similar ratio
Find third proportional to 14,700 and 23,310
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.