Home / 201,152-431,511

Finding the Third Proportional to 201,152 and 431,511

Calculator

Solution

The third proportional to 201,152 and 431,511 is: 925,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,152 : 431,511 = 431,511 : x
  2. Step 2: Convert to fraction form
    201,152/431,511 = 431,511/x
  3. Step 3: Cross multiply
    201,152x = 431,511 × 431,511
  4. Step 4: Simplify right side
    201,152x = 186,201,743,121
  5. Step 5: Solve for x
    x = 186,201,743,121/201,152
  6. Step 6: Final answer
    x = 925,676.82

Related Problems

Find third proportional to 100,576 and 215,755.50
Half scale
Find third proportional to 402,304 and 863,022
Double scale
Find third proportional to 201,154 and 431,515
Similar ratio
Find third proportional to 301,728 and 647,266.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.