Home / 395,978-637,548

Finding the Third Proportional to 395,978 and 637,548

Calculator

Solution

The third proportional to 395,978 and 637,548 is: 1,026,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,978 : 637,548 = 637,548 : x
  2. Step 2: Convert to fraction form
    395,978/637,548 = 637,548/x
  3. Step 3: Cross multiply
    395,978x = 637,548 × 637,548
  4. Step 4: Simplify right side
    395,978x = 406,467,452,304
  5. Step 5: Solve for x
    x = 406,467,452,304/395,978
  6. Step 6: Final answer
    x = 1,026,489.99

Related Problems

Find third proportional to 197,989 and 318,774
Half scale
Find third proportional to 791,956 and 1,275,096
Double scale
Find third proportional to 395,980 and 637,551
Similar ratio
Find third proportional to 593,967 and 956,322
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.