Home / 140,958-200,421

Finding the Third Proportional to 140,958 and 200,421

Calculator

Solution

The third proportional to 140,958 and 200,421 is: 284,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,958 : 200,421 = 200,421 : x
  2. Step 2: Convert to fraction form
    140,958/200,421 = 200,421/x
  3. Step 3: Cross multiply
    140,958x = 200,421 × 200,421
  4. Step 4: Simplify right side
    140,958x = 40,168,577,241
  5. Step 5: Solve for x
    x = 40,168,577,241/140,958
  6. Step 6: Final answer
    x = 284,968.41

Related Problems

Find third proportional to 70,479 and 100,210.50
Half scale
Find third proportional to 281,916 and 400,842
Double scale
Find third proportional to 140,960 and 200,424
Similar ratio
Find third proportional to 211,437 and 300,631.50
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.