Home / 74,990-105,484

Finding the Third Proportional to 74,990 and 105,484

Calculator

Solution

The third proportional to 74,990 and 105,484 is: 148,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,990 : 105,484 = 105,484 : x
  2. Step 2: Convert to fraction form
    74,990/105,484 = 105,484/x
  3. Step 3: Cross multiply
    74,990x = 105,484 × 105,484
  4. Step 4: Simplify right side
    74,990x = 11,126,874,256
  5. Step 5: Solve for x
    x = 11,126,874,256/74,990
  6. Step 6: Final answer
    x = 148,378.11

Related Problems

Find third proportional to 37,495 and 52,742
Half scale
Find third proportional to 149,980 and 210,968
Double scale
Find third proportional to 74,992 and 105,487
Similar ratio
Find third proportional to 112,485 and 158,226
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.