Home / 344,896.50-515,220

Finding the Third Proportional to 344,896.50 and 515,220

Calculator

Solution

The third proportional to 344,896.50 and 515,220 is: 769,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,896.50 : 515,220 = 515,220 : x
  2. Step 2: Convert to fraction form
    344,896.50/515,220 = 515,220/x
  3. Step 3: Cross multiply
    344,896.50x = 515,220 × 515,220
  4. Step 4: Simplify right side
    344,896.50x = 265,451,648,400
  5. Step 5: Solve for x
    x = 265,451,648,400/344,896.50
  6. Step 6: Final answer
    x = 769,655.96

Related Problems

Find third proportional to 172,448.25 and 257,610
Half scale
Find third proportional to 689,793 and 1,030,440
Double scale
Find third proportional to 344,899 and 515,223
Similar ratio
Find third proportional to 517,344.75 and 772,830
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.