Home / 517,814-699,600

Finding the Third Proportional to 517,814 and 699,600

Calculator

Solution

The third proportional to 517,814 and 699,600 is: 945,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,814 : 699,600 = 699,600 : x
  2. Step 2: Convert to fraction form
    517,814/699,600 = 699,600/x
  3. Step 3: Cross multiply
    517,814x = 699,600 × 699,600
  4. Step 4: Simplify right side
    517,814x = 489,440,160,000
  5. Step 5: Solve for x
    x = 489,440,160,000/517,814
  6. Step 6: Final answer
    x = 945,204.57

Related Problems

Find third proportional to 258,907 and 349,800
Half scale
Find third proportional to 1,035,628 and 1,399,200
Double scale
Find third proportional to 517,816 and 699,603
Similar ratio
Find third proportional to 776,721 and 1,049,400
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.