Home / 296,948-639,850

Finding the Third Proportional to 296,948 and 639,850

Calculator

Solution

The third proportional to 296,948 and 639,850 is: 1,378,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,948 : 639,850 = 639,850 : x
  2. Step 2: Convert to fraction form
    296,948/639,850 = 639,850/x
  3. Step 3: Cross multiply
    296,948x = 639,850 × 639,850
  4. Step 4: Simplify right side
    296,948x = 409,408,022,500
  5. Step 5: Solve for x
    x = 409,408,022,500/296,948
  6. Step 6: Final answer
    x = 1,378,719.58

Related Problems

Find third proportional to 148,474 and 319,925
Half scale
Find third proportional to 593,896 and 1,279,700
Double scale
Find third proportional to 296,950 and 639,854
Similar ratio
Find third proportional to 445,422 and 959,775
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.