Home / 205,648-306,760

Finding the Third Proportional to 205,648 and 306,760

Calculator

Solution

The third proportional to 205,648 and 306,760 is: 457,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,648 : 306,760 = 306,760 : x
  2. Step 2: Convert to fraction form
    205,648/306,760 = 306,760/x
  3. Step 3: Cross multiply
    205,648x = 306,760 × 306,760
  4. Step 4: Simplify right side
    205,648x = 94,101,697,600
  5. Step 5: Solve for x
    x = 94,101,697,600/205,648
  6. Step 6: Final answer
    x = 457,586.25

Related Problems

Find third proportional to 102,824 and 153,380
Half scale
Find third proportional to 411,296 and 613,520
Double scale
Find third proportional to 205,650 and 306,763
Similar ratio
Find third proportional to 308,472 and 460,140
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.