Home / 292,682-638,406

Finding the Third Proportional to 292,682 and 638,406

Calculator

Solution

The third proportional to 292,682 and 638,406 is: 1,392,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,682 : 638,406 = 638,406 : x
  2. Step 2: Convert to fraction form
    292,682/638,406 = 638,406/x
  3. Step 3: Cross multiply
    292,682x = 638,406 × 638,406
  4. Step 4: Simplify right side
    292,682x = 407,562,220,836
  5. Step 5: Solve for x
    x = 407,562,220,836/292,682
  6. Step 6: Final answer
    x = 1,392,508.66

Related Problems

Find third proportional to 146,341 and 319,203
Half scale
Find third proportional to 585,364 and 1,276,812
Double scale
Find third proportional to 292,684 and 638,410
Similar ratio
Find third proportional to 439,023 and 957,609
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.