Home / 58,418-91,520

Finding the Third Proportional to 58,418 and 91,520

Calculator

Solution

The third proportional to 58,418 and 91,520 is: 143,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,418 : 91,520 = 91,520 : x
  2. Step 2: Convert to fraction form
    58,418/91,520 = 91,520/x
  3. Step 3: Cross multiply
    58,418x = 91,520 × 91,520
  4. Step 4: Simplify right side
    58,418x = 8,375,910,400
  5. Step 5: Solve for x
    x = 8,375,910,400/58,418
  6. Step 6: Final answer
    x = 143,378.93

Related Problems

Find third proportional to 29,209 and 45,760
Half scale
Find third proportional to 116,836 and 183,040
Double scale
Find third proportional to 58,420 and 91,523
Similar ratio
Find third proportional to 87,627 and 137,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.