Home / 203,580-299,445

Finding the Third Proportional to 203,580 and 299,445

Calculator

Solution

The third proportional to 203,580 and 299,445 is: 440,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,580 : 299,445 = 299,445 : x
  2. Step 2: Convert to fraction form
    203,580/299,445 = 299,445/x
  3. Step 3: Cross multiply
    203,580x = 299,445 × 299,445
  4. Step 4: Simplify right side
    203,580x = 89,667,308,025
  5. Step 5: Solve for x
    x = 89,667,308,025/203,580
  6. Step 6: Final answer
    x = 440,452.44

Related Problems

Find third proportional to 101,790 and 149,722.50
Half scale
Find third proportional to 407,160 and 598,890
Double scale
Find third proportional to 203,582 and 299,448
Similar ratio
Find third proportional to 305,370 and 449,167.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.