Home / 28,754-40,587

Finding the Third Proportional to 28,754 and 40,587

Calculator

Solution

The third proportional to 28,754 and 40,587 is: 57,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754 : 40,587 = 40,587 : x
  2. Step 2: Convert to fraction form
    28,754/40,587 = 40,587/x
  3. Step 3: Cross multiply
    28,754x = 40,587 × 40,587
  4. Step 4: Simplify right side
    28,754x = 1,647,304,569
  5. Step 5: Solve for x
    x = 1,647,304,569/28,754
  6. Step 6: Final answer
    x = 57,289.58

Related Problems

Find third proportional to 14,377 and 20,293.50
Half scale
Find third proportional to 57,508 and 81,174
Double scale
Find third proportional to 28,756 and 40,590
Similar ratio
Find third proportional to 43,131 and 60,880.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.