Home / 344,681-729,105

Finding the Third Proportional to 344,681 and 729,105

Calculator

Solution

The third proportional to 344,681 and 729,105 is: 1,542,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,681 : 729,105 = 729,105 : x
  2. Step 2: Convert to fraction form
    344,681/729,105 = 729,105/x
  3. Step 3: Cross multiply
    344,681x = 729,105 × 729,105
  4. Step 4: Simplify right side
    344,681x = 531,594,101,025
  5. Step 5: Solve for x
    x = 531,594,101,025/344,681
  6. Step 6: Final answer
    x = 1,542,278.52

Related Problems

Find third proportional to 172,340.50 and 364,552.50
Half scale
Find third proportional to 689,362 and 1,458,210
Double scale
Find third proportional to 344,683 and 729,109
Similar ratio
Find third proportional to 517,021.50 and 1,093,657.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.