Home / 119,643-261,021

Finding the Third Proportional to 119,643 and 261,021

Calculator

Solution

The third proportional to 119,643 and 261,021 is: 569,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,643 : 261,021 = 261,021 : x
  2. Step 2: Convert to fraction form
    119,643/261,021 = 261,021/x
  3. Step 3: Cross multiply
    119,643x = 261,021 × 261,021
  4. Step 4: Simplify right side
    119,643x = 68,131,962,441
  5. Step 5: Solve for x
    x = 68,131,962,441/119,643
  6. Step 6: Final answer
    x = 569,460.50

Related Problems

Find third proportional to 59,821.50 and 130,510.50
Half scale
Find third proportional to 239,286 and 522,042
Double scale
Find third proportional to 119,645 and 261,025
Similar ratio
Find third proportional to 179,464.50 and 391,531.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.