Home / 74,312-105,636

Finding the Third Proportional to 74,312 and 105,636

Calculator

Solution

The third proportional to 74,312 and 105,636 is: 150,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,312 : 105,636 = 105,636 : x
  2. Step 2: Convert to fraction form
    74,312/105,636 = 105,636/x
  3. Step 3: Cross multiply
    74,312x = 105,636 × 105,636
  4. Step 4: Simplify right side
    74,312x = 11,158,964,496
  5. Step 5: Solve for x
    x = 11,158,964,496/74,312
  6. Step 6: Final answer
    x = 150,163.69

Related Problems

Find third proportional to 37,156 and 52,818
Half scale
Find third proportional to 148,624 and 211,272
Double scale
Find third proportional to 74,314 and 105,639
Similar ratio
Find third proportional to 111,468 and 158,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.