Home / 361,760-560,720

Finding the Third Proportional to 361,760 and 560,720

Calculator

Solution

The third proportional to 361,760 and 560,720 is: 869,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,760 : 560,720 = 560,720 : x
  2. Step 2: Convert to fraction form
    361,760/560,720 = 560,720/x
  3. Step 3: Cross multiply
    361,760x = 560,720 × 560,720
  4. Step 4: Simplify right side
    361,760x = 314,406,918,400
  5. Step 5: Solve for x
    x = 314,406,918,400/361,760
  6. Step 6: Final answer
    x = 869,103.60

Related Problems

Find third proportional to 180,880 and 280,360
Half scale
Find third proportional to 723,520 and 1,121,440
Double scale
Find third proportional to 361,762 and 560,723
Similar ratio
Find third proportional to 542,640 and 841,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.