Home / 103,638-221,976

Finding the Third Proportional to 103,638 and 221,976

Calculator

Solution

The third proportional to 103,638 and 221,976 is: 475,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,638 : 221,976 = 221,976 : x
  2. Step 2: Convert to fraction form
    103,638/221,976 = 221,976/x
  3. Step 3: Cross multiply
    103,638x = 221,976 × 221,976
  4. Step 4: Simplify right side
    103,638x = 49,273,344,576
  5. Step 5: Solve for x
    x = 49,273,344,576/103,638
  6. Step 6: Final answer
    x = 475,437.05

Related Problems

Find third proportional to 51,819 and 110,988
Half scale
Find third proportional to 207,276 and 443,952
Double scale
Find third proportional to 103,640 and 221,980
Similar ratio
Find third proportional to 155,457 and 332,964
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.