Home / 340,038-499,689

Finding the Third Proportional to 340,038 and 499,689

Calculator

Solution

The third proportional to 340,038 and 499,689 is: 734,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,038 : 499,689 = 499,689 : x
  2. Step 2: Convert to fraction form
    340,038/499,689 = 499,689/x
  3. Step 3: Cross multiply
    340,038x = 499,689 × 499,689
  4. Step 4: Simplify right side
    340,038x = 249,689,096,721
  5. Step 5: Solve for x
    x = 249,689,096,721/340,038
  6. Step 6: Final answer
    x = 734,297.63

Related Problems

Find third proportional to 170,019 and 249,844.50
Half scale
Find third proportional to 680,076 and 999,378
Double scale
Find third proportional to 340,040 and 499,692
Similar ratio
Find third proportional to 510,057 and 749,533.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.