Home / 620,148-1,339,440

Finding the Third Proportional to 620,148 and 1,339,440

Calculator

Solution

The third proportional to 620,148 and 1,339,440 is: 2,893,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,148 : 1,339,440 = 1,339,440 : x
  2. Step 2: Convert to fraction form
    620,148/1,339,440 = 1,339,440/x
  3. Step 3: Cross multiply
    620,148x = 1,339,440 × 1,339,440
  4. Step 4: Simplify right side
    620,148x = 1,794,099,513,600
  5. Step 5: Solve for x
    x = 1,794,099,513,600/620,148
  6. Step 6: Final answer
    x = 2,893,018.30

Related Problems

Find third proportional to 310,074 and 669,720
Half scale
Find third proportional to 1,240,296 and 2,678,880
Double scale
Find third proportional to 620,150 and 1,339,444
Similar ratio
Find third proportional to 930,222 and 2,009,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.