Home / 54,678-84,294

Finding the Third Proportional to 54,678 and 84,294

Calculator

Solution

The third proportional to 54,678 and 84,294 is: 129,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,678 : 84,294 = 84,294 : x
  2. Step 2: Convert to fraction form
    54,678/84,294 = 84,294/x
  3. Step 3: Cross multiply
    54,678x = 84,294 × 84,294
  4. Step 4: Simplify right side
    54,678x = 7,105,478,436
  5. Step 5: Solve for x
    x = 7,105,478,436/54,678
  6. Step 6: Final answer
    x = 129,951.32

Related Problems

Find third proportional to 27,339 and 42,147
Half scale
Find third proportional to 109,356 and 168,588
Double scale
Find third proportional to 54,680 and 84,297
Similar ratio
Find third proportional to 82,017 and 126,441
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.