Home / 208,978-304,518

Finding the Third Proportional to 208,978 and 304,518

Calculator

Solution

The third proportional to 208,978 and 304,518 is: 443,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,978 : 304,518 = 304,518 : x
  2. Step 2: Convert to fraction form
    208,978/304,518 = 304,518/x
  3. Step 3: Cross multiply
    208,978x = 304,518 × 304,518
  4. Step 4: Simplify right side
    208,978x = 92,731,212,324
  5. Step 5: Solve for x
    x = 92,731,212,324/208,978
  6. Step 6: Final answer
    x = 443,736.72

Related Problems

Find third proportional to 104,489 and 152,259
Half scale
Find third proportional to 417,956 and 609,036
Double scale
Find third proportional to 208,980 and 304,521
Similar ratio
Find third proportional to 313,467 and 456,777
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.