Home / 146,976-318,368

Finding the Third Proportional to 146,976 and 318,368

Calculator

Solution

The third proportional to 146,976 and 318,368 is: 689,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,976 : 318,368 = 318,368 : x
  2. Step 2: Convert to fraction form
    146,976/318,368 = 318,368/x
  3. Step 3: Cross multiply
    146,976x = 318,368 × 318,368
  4. Step 4: Simplify right side
    146,976x = 101,358,183,424
  5. Step 5: Solve for x
    x = 101,358,183,424/146,976
  6. Step 6: Final answer
    x = 689,624.04

Related Problems

Find third proportional to 73,488 and 159,184
Half scale
Find third proportional to 293,952 and 636,736
Double scale
Find third proportional to 146,978 and 318,372
Similar ratio
Find third proportional to 220,464 and 477,552
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.