Home / 54,770-78,267

Finding the Third Proportional to 54,770 and 78,267

Calculator

Solution

The third proportional to 54,770 and 78,267 is: 111,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,770 : 78,267 = 78,267 : x
  2. Step 2: Convert to fraction form
    54,770/78,267 = 78,267/x
  3. Step 3: Cross multiply
    54,770x = 78,267 × 78,267
  4. Step 4: Simplify right side
    54,770x = 6,125,723,289
  5. Step 5: Solve for x
    x = 6,125,723,289/54,770
  6. Step 6: Final answer
    x = 111,844.50

Related Problems

Find third proportional to 27,385 and 39,133.50
Half scale
Find third proportional to 109,540 and 156,534
Double scale
Find third proportional to 54,772 and 78,270
Similar ratio
Find third proportional to 82,155 and 117,400.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.