Home / 57,540-77,741

Finding the Third Proportional to 57,540 and 77,741

Calculator

Solution

The third proportional to 57,540 and 77,741 is: 105,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,540 : 77,741 = 77,741 : x
  2. Step 2: Convert to fraction form
    57,540/77,741 = 77,741/x
  3. Step 3: Cross multiply
    57,540x = 77,741 × 77,741
  4. Step 4: Simplify right side
    57,540x = 6,043,663,081
  5. Step 5: Solve for x
    x = 6,043,663,081/57,540
  6. Step 6: Final answer
    x = 105,034.12

Related Problems

Find third proportional to 28,770 and 38,870.50
Half scale
Find third proportional to 115,080 and 155,482
Double scale
Find third proportional to 57,542 and 77,744
Similar ratio
Find third proportional to 86,310 and 116,611.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.