Home / 56,754-85,920

Finding the Third Proportional to 56,754 and 85,920

Calculator

Solution

The third proportional to 56,754 and 85,920 is: 130,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,754 : 85,920 = 85,920 : x
  2. Step 2: Convert to fraction form
    56,754/85,920 = 85,920/x
  3. Step 3: Cross multiply
    56,754x = 85,920 × 85,920
  4. Step 4: Simplify right side
    56,754x = 7,382,246,400
  5. Step 5: Solve for x
    x = 7,382,246,400/56,754
  6. Step 6: Final answer
    x = 130,074.47

Related Problems

Find third proportional to 28,377 and 42,960
Half scale
Find third proportional to 113,508 and 171,840
Double scale
Find third proportional to 56,756 and 85,923
Similar ratio
Find third proportional to 85,131 and 128,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.