Home / 99,767.75-221,678.50

Finding the Third Proportional to 99,767.75 and 221,678.50

Calculator

Solution

The third proportional to 99,767.75 and 221,678.50 is: 492,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,767.75 : 221,678.50 = 221,678.50 : x
  2. Step 2: Convert to fraction form
    99,767.75/221,678.50 = 221,678.50/x
  3. Step 3: Cross multiply
    99,767.75x = 221,678.50 × 221,678.50
  4. Step 4: Simplify right side
    99,767.75x = 49,141,357,362.25
  5. Step 5: Solve for x
    x = 49,141,357,362.25/99,767.75
  6. Step 6: Final answer
    x = 492,557.54

Related Problems

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.