Home / 639,288-970,595

Finding the Third Proportional to 639,288 and 970,595

Calculator

Solution

The third proportional to 639,288 and 970,595 is: 1,473,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,288 : 970,595 = 970,595 : x
  2. Step 2: Convert to fraction form
    639,288/970,595 = 970,595/x
  3. Step 3: Cross multiply
    639,288x = 970,595 × 970,595
  4. Step 4: Simplify right side
    639,288x = 942,054,654,025
  5. Step 5: Solve for x
    x = 942,054,654,025/639,288
  6. Step 6: Final answer
    x = 1,473,599.78

Related Problems

Find third proportional to 319,644 and 485,297.50
Half scale
Find third proportional to 1,278,576 and 1,941,190
Double scale
Find third proportional to 639,290 and 970,598
Similar ratio
Find third proportional to 958,932 and 1,455,892.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.