Home / 328,077-474,132

Finding the Third Proportional to 328,077 and 474,132

Calculator

Solution

The third proportional to 328,077 and 474,132 is: 685,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,077 : 474,132 = 474,132 : x
  2. Step 2: Convert to fraction form
    328,077/474,132 = 474,132/x
  3. Step 3: Cross multiply
    328,077x = 474,132 × 474,132
  4. Step 4: Simplify right side
    328,077x = 224,801,153,424
  5. Step 5: Solve for x
    x = 224,801,153,424/328,077
  6. Step 6: Final answer
    x = 685,208.51

Related Problems

Find third proportional to 164,038.50 and 237,066
Half scale
Find third proportional to 656,154 and 948,264
Double scale
Find third proportional to 328,079 and 474,135
Similar ratio
Find third proportional to 492,115.50 and 711,198
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.