Home / 747-803

Finding the Third Proportional to 747 and 803

Calculator

Solution

The third proportional to 747 and 803 is: 863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747 : 803 = 803 : x
  2. Step 2: Convert to fraction form
    747/803 = 803/x
  3. Step 3: Cross multiply
    747x = 803 × 803
  4. Step 4: Simplify right side
    747x = 644,809
  5. Step 5: Solve for x
    x = 644,809/747
  6. Step 6: Final answer
    x = 863.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.