Home / 188,728-289,644

Finding the Third Proportional to 188,728 and 289,644

Calculator

Solution

The third proportional to 188,728 and 289,644 is: 444,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,728 : 289,644 = 289,644 : x
  2. Step 2: Convert to fraction form
    188,728/289,644 = 289,644/x
  3. Step 3: Cross multiply
    188,728x = 289,644 × 289,644
  4. Step 4: Simplify right side
    188,728x = 83,893,646,736
  5. Step 5: Solve for x
    x = 83,893,646,736/188,728
  6. Step 6: Final answer
    x = 444,521.46

Related Problems

Find third proportional to 94,364 and 144,822
Half scale
Find third proportional to 377,456 and 579,288
Double scale
Find third proportional to 188,730 and 289,647
Similar ratio
Find third proportional to 283,092 and 434,466
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.