Home / 68,958-100,440

Finding the Third Proportional to 68,958 and 100,440

Calculator

Solution

The third proportional to 68,958 and 100,440 is: 146,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,958 : 100,440 = 100,440 : x
  2. Step 2: Convert to fraction form
    68,958/100,440 = 100,440/x
  3. Step 3: Cross multiply
    68,958x = 100,440 × 100,440
  4. Step 4: Simplify right side
    68,958x = 10,088,193,600
  5. Step 5: Solve for x
    x = 10,088,193,600/68,958
  6. Step 6: Final answer
    x = 146,294.75

Related Problems

Find third proportional to 34,479 and 50,220
Half scale
Find third proportional to 137,916 and 200,880
Double scale
Find third proportional to 68,960 and 100,443
Similar ratio
Find third proportional to 103,437 and 150,660
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.