Home / 217,237-454,319

Finding the Third Proportional to 217,237 and 454,319

Calculator

Solution

The third proportional to 217,237 and 454,319 is: 950,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,237 : 454,319 = 454,319 : x
  2. Step 2: Convert to fraction form
    217,237/454,319 = 454,319/x
  3. Step 3: Cross multiply
    217,237x = 454,319 × 454,319
  4. Step 4: Simplify right side
    217,237x = 206,405,753,761
  5. Step 5: Solve for x
    x = 206,405,753,761/217,237
  6. Step 6: Final answer
    x = 950,140.88

Related Problems

Find third proportional to 108,618.50 and 227,159.50
Half scale
Find third proportional to 434,474 and 908,638
Double scale
Find third proportional to 217,239 and 454,323
Similar ratio
Find third proportional to 325,855.50 and 681,478.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.