Home / 336,992-721,368

Finding the Third Proportional to 336,992 and 721,368

Calculator

Solution

The third proportional to 336,992 and 721,368 is: 1,544,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,992 : 721,368 = 721,368 : x
  2. Step 2: Convert to fraction form
    336,992/721,368 = 721,368/x
  3. Step 3: Cross multiply
    336,992x = 721,368 × 721,368
  4. Step 4: Simplify right side
    336,992x = 520,371,791,424
  5. Step 5: Solve for x
    x = 520,371,791,424/336,992
  6. Step 6: Final answer
    x = 1,544,166.60

Related Problems

Find third proportional to 168,496 and 360,684
Half scale
Find third proportional to 673,984 and 1,442,736
Double scale
Find third proportional to 336,994 and 721,372
Similar ratio
Find third proportional to 505,488 and 1,082,052
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.