Home / 200,977-442,435

Finding the Third Proportional to 200,977 and 442,435

Calculator

Solution

The third proportional to 200,977 and 442,435 is: 973,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,977 : 442,435 = 442,435 : x
  2. Step 2: Convert to fraction form
    200,977/442,435 = 442,435/x
  3. Step 3: Cross multiply
    200,977x = 442,435 × 442,435
  4. Step 4: Simplify right side
    200,977x = 195,748,729,225
  5. Step 5: Solve for x
    x = 195,748,729,225/200,977
  6. Step 6: Final answer
    x = 973,985.73

Related Problems

Find third proportional to 100,488.50 and 221,217.50
Half scale
Find third proportional to 401,954 and 884,870
Double scale
Find third proportional to 200,979 and 442,439
Similar ratio
Find third proportional to 301,465.50 and 663,652.50
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.