Home / 99,768-221,679.50

Finding the Third Proportional to 99,768 and 221,679.50

Calculator

Solution

The third proportional to 99,768 and 221,679.50 is: 492,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,768 : 221,679.50 = 221,679.50 : x
  2. Step 2: Convert to fraction form
    99,768/221,679.50 = 221,679.50/x
  3. Step 3: Cross multiply
    99,768x = 221,679.50 × 221,679.50
  4. Step 4: Simplify right side
    99,768x = 49,141,800,720.25
  5. Step 5: Solve for x
    x = 49,141,800,720.25/99,768
  6. Step 6: Final answer
    x = 492,560.75

Related Problems

Find third proportional to 49,884 and 110,839.75
Half scale
Find third proportional to 199,536 and 443,359
Double scale
Find third proportional to 99,770 and 221,684
Similar ratio
Find third proportional to 149,652 and 332,519.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.