Home / 690.61-1,439.44

Finding the Third Proportional to 690.61 and 1,439.44

Calculator

Solution

The third proportional to 690.61 and 1,439.44 is: 3,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    690.61 : 1,439.44 = 1,439.44 : x
  2. Step 2: Convert to fraction form
    690.61/1,439.44 = 1,439.44/x
  3. Step 3: Cross multiply
    690.61x = 1,439.44 × 1,439.44
  4. Step 4: Simplify right side
    690.61x = 2,071,980.32
  5. Step 5: Solve for x
    x = 2,071,980.32/690.61
  6. Step 6: Final answer
    x = 3,000.22

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.