Home / 58,400-90,324

Finding the Third Proportional to 58,400 and 90,324

Calculator

Solution

The third proportional to 58,400 and 90,324 is: 139,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,400 : 90,324 = 90,324 : x
  2. Step 2: Convert to fraction form
    58,400/90,324 = 90,324/x
  3. Step 3: Cross multiply
    58,400x = 90,324 × 90,324
  4. Step 4: Simplify right side
    58,400x = 8,158,424,976
  5. Step 5: Solve for x
    x = 8,158,424,976/58,400
  6. Step 6: Final answer
    x = 139,699.06

Related Problems

Find third proportional to 29,200 and 45,162
Half scale
Find third proportional to 116,800 and 180,648
Double scale
Find third proportional to 58,402 and 90,327
Similar ratio
Find third proportional to 87,600 and 135,486
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.