Home / 351,992-720,386

Finding the Third Proportional to 351,992 and 720,386

Calculator

Solution

The third proportional to 351,992 and 720,386 is: 1,474,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,992 : 720,386 = 720,386 : x
  2. Step 2: Convert to fraction form
    351,992/720,386 = 720,386/x
  3. Step 3: Cross multiply
    351,992x = 720,386 × 720,386
  4. Step 4: Simplify right side
    351,992x = 518,955,988,996
  5. Step 5: Solve for x
    x = 518,955,988,996/351,992
  6. Step 6: Final answer
    x = 1,474,340.29

Related Problems

Find third proportional to 175,996 and 360,193
Half scale
Find third proportional to 703,984 and 1,440,772
Double scale
Find third proportional to 351,994 and 720,390
Similar ratio
Find third proportional to 527,988 and 1,080,579
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.