Home / 139,536-306,408.94

Finding the Third Proportional to 139,536 and 306,408.94

Calculator

Solution

The third proportional to 139,536 and 306,408.94 is: 672,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,536 : 306,408.94 = 306,408.94 : x
  2. Step 2: Convert to fraction form
    139,536/306,408.94 = 306,408.94/x
  3. Step 3: Cross multiply
    139,536x = 306,408.94 × 306,408.94
  4. Step 4: Simplify right side
    139,536x = 93,886,436,979.88
  5. Step 5: Solve for x
    x = 93,886,436,979.88/139,536
  6. Step 6: Final answer
    x = 672,847.42

Related Problems

Find third proportional to 69,768 and 153,204.47
Half scale
Find third proportional to 279,072 and 612,817.88
Double scale
Find third proportional to 139,538 and 306,413
Similar ratio
Find third proportional to 209,304 and 459,613.41
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.