Home / 66,434-99,381

Finding the Third Proportional to 66,434 and 99,381

Calculator

Solution

The third proportional to 66,434 and 99,381 is: 148,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434 : 99,381 = 99,381 : x
  2. Step 2: Convert to fraction form
    66,434/99,381 = 99,381/x
  3. Step 3: Cross multiply
    66,434x = 99,381 × 99,381
  4. Step 4: Simplify right side
    66,434x = 9,876,583,161
  5. Step 5: Solve for x
    x = 9,876,583,161/66,434
  6. Step 6: Final answer
    x = 148,667.60

Related Problems

Find third proportional to 33,217 and 49,690.50
Half scale
Find third proportional to 132,868 and 198,762
Double scale
Find third proportional to 66,436 and 99,384
Similar ratio
Find third proportional to 99,651 and 149,071.50
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.