Home / 221,418-458,592

Finding the Third Proportional to 221,418 and 458,592

Calculator

Solution

The third proportional to 221,418 and 458,592 is: 949,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,418 : 458,592 = 458,592 : x
  2. Step 2: Convert to fraction form
    221,418/458,592 = 458,592/x
  3. Step 3: Cross multiply
    221,418x = 458,592 × 458,592
  4. Step 4: Simplify right side
    221,418x = 210,306,622,464
  5. Step 5: Solve for x
    x = 210,306,622,464/221,418
  6. Step 6: Final answer
    x = 949,817.19

Related Problems

Find third proportional to 110,709 and 229,296
Half scale
Find third proportional to 442,836 and 917,184
Double scale
Find third proportional to 221,420 and 458,596
Similar ratio
Find third proportional to 332,127 and 687,888
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.