Home / 201,404-428,296

Finding the Third Proportional to 201,404 and 428,296

Calculator

Solution

The third proportional to 201,404 and 428,296 is: 910,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,404 : 428,296 = 428,296 : x
  2. Step 2: Convert to fraction form
    201,404/428,296 = 428,296/x
  3. Step 3: Cross multiply
    201,404x = 428,296 × 428,296
  4. Step 4: Simplify right side
    201,404x = 183,437,463,616
  5. Step 5: Solve for x
    x = 183,437,463,616/201,404
  6. Step 6: Final answer
    x = 910,793.55

Related Problems

Find third proportional to 100,702 and 214,148
Half scale
Find third proportional to 402,808 and 856,592
Double scale
Find third proportional to 201,406 and 428,300
Similar ratio
Find third proportional to 302,106 and 642,444
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.