Home / 56,930-85,578

Finding the Third Proportional to 56,930 and 85,578

Calculator

Solution

The third proportional to 56,930 and 85,578 is: 128,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,930 : 85,578 = 85,578 : x
  2. Step 2: Convert to fraction form
    56,930/85,578 = 85,578/x
  3. Step 3: Cross multiply
    56,930x = 85,578 × 85,578
  4. Step 4: Simplify right side
    56,930x = 7,323,594,084
  5. Step 5: Solve for x
    x = 7,323,594,084/56,930
  6. Step 6: Final answer
    x = 128,642.09

Related Problems

Find third proportional to 28,465 and 42,789
Half scale
Find third proportional to 113,860 and 171,156
Double scale
Find third proportional to 56,932 and 85,581
Similar ratio
Find third proportional to 85,395 and 128,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.