Home / 209,080-454,664

Finding the Third Proportional to 209,080 and 454,664

Calculator

Solution

The third proportional to 209,080 and 454,664 is: 988,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,080 : 454,664 = 454,664 : x
  2. Step 2: Convert to fraction form
    209,080/454,664 = 454,664/x
  3. Step 3: Cross multiply
    209,080x = 454,664 × 454,664
  4. Step 4: Simplify right side
    209,080x = 206,719,352,896
  5. Step 5: Solve for x
    x = 206,719,352,896/209,080
  6. Step 6: Final answer
    x = 988,709.36

Related Problems

Find third proportional to 104,540 and 227,332
Half scale
Find third proportional to 418,160 and 909,328
Double scale
Find third proportional to 209,082 and 454,668
Similar ratio
Find third proportional to 313,620 and 681,996
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.