Home / 217,356-332,490

Finding the Third Proportional to 217,356 and 332,490

Calculator

Solution

The third proportional to 217,356 and 332,490 is: 508,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,356 : 332,490 = 332,490 : x
  2. Step 2: Convert to fraction form
    217,356/332,490 = 332,490/x
  3. Step 3: Cross multiply
    217,356x = 332,490 × 332,490
  4. Step 4: Simplify right side
    217,356x = 110,549,600,100
  5. Step 5: Solve for x
    x = 110,549,600,100/217,356
  6. Step 6: Final answer
    x = 508,610.76

Related Problems

Find third proportional to 108,678 and 166,245
Half scale
Find third proportional to 434,712 and 664,980
Double scale
Find third proportional to 217,358 and 332,493
Similar ratio
Find third proportional to 326,034 and 498,735
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.