Home / 319,370-479,079

Finding the Third Proportional to 319,370 and 479,079

Calculator

Solution

The third proportional to 319,370 and 479,079 is: 718,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,370 : 479,079 = 479,079 : x
  2. Step 2: Convert to fraction form
    319,370/479,079 = 479,079/x
  3. Step 3: Cross multiply
    319,370x = 479,079 × 479,079
  4. Step 4: Simplify right side
    319,370x = 229,516,688,241
  5. Step 5: Solve for x
    x = 229,516,688,241/319,370
  6. Step 6: Final answer
    x = 718,654.50

Related Problems

Find third proportional to 159,685 and 239,539.50
Half scale
Find third proportional to 638,740 and 958,158
Double scale
Find third proportional to 319,372 and 479,082
Similar ratio
Find third proportional to 479,055 and 718,618.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.