Home / 247,680-542,824

Finding the Third Proportional to 247,680 and 542,824

Calculator

Solution

The third proportional to 247,680 and 542,824 is: 1,189,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,680 : 542,824 = 542,824 : x
  2. Step 2: Convert to fraction form
    247,680/542,824 = 542,824/x
  3. Step 3: Cross multiply
    247,680x = 542,824 × 542,824
  4. Step 4: Simplify right side
    247,680x = 294,657,894,976
  5. Step 5: Solve for x
    x = 294,657,894,976/247,680
  6. Step 6: Final answer
    x = 1,189,671.73

Related Problems

Find third proportional to 123,840 and 271,412
Half scale
Find third proportional to 495,360 and 1,085,648
Double scale
Find third proportional to 247,682 and 542,828
Similar ratio
Find third proportional to 371,520 and 814,236
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.