Home / 276,291-495,720

Finding the Third Proportional to 276,291 and 495,720

Calculator

Solution

The third proportional to 276,291 and 495,720 is: 889,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,291 : 495,720 = 495,720 : x
  2. Step 2: Convert to fraction form
    276,291/495,720 = 495,720/x
  3. Step 3: Cross multiply
    276,291x = 495,720 × 495,720
  4. Step 4: Simplify right side
    276,291x = 245,738,318,400
  5. Step 5: Solve for x
    x = 245,738,318,400/276,291
  6. Step 6: Final answer
    x = 889,418.47

Related Problems

Find third proportional to 138,145.50 and 247,860
Half scale
Find third proportional to 552,582 and 991,440
Double scale
Find third proportional to 276,293 and 495,724
Similar ratio
Find third proportional to 414,436.50 and 743,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.