Home / 7,528-19,540

Finding the Third Proportional to 7,528 and 19,540

Calculator

Solution

The third proportional to 7,528 and 19,540 is: 50,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528 : 19,540 = 19,540 : x
  2. Step 2: Convert to fraction form
    7,528/19,540 = 19,540/x
  3. Step 3: Cross multiply
    7,528x = 19,540 × 19,540
  4. Step 4: Simplify right side
    7,528x = 381,811,600
  5. Step 5: Solve for x
    x = 381,811,600/7,528
  6. Step 6: Final answer
    x = 50,718.86

Related Problems

Find third proportional to 3,764 and 9,770
Half scale
Find third proportional to 15,056 and 39,080
Double scale
Find third proportional to 7,530 and 19,545
Similar ratio
Find third proportional to 11,292 and 29,310
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.