Home / 134,818-289,988

Finding the Third Proportional to 134,818 and 289,988

Calculator

Solution

The third proportional to 134,818 and 289,988 is: 623,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,818 : 289,988 = 289,988 : x
  2. Step 2: Convert to fraction form
    134,818/289,988 = 289,988/x
  3. Step 3: Cross multiply
    134,818x = 289,988 × 289,988
  4. Step 4: Simplify right side
    134,818x = 84,093,040,144
  5. Step 5: Solve for x
    x = 84,093,040,144/134,818
  6. Step 6: Final answer
    x = 623,752.32

Related Problems

Find third proportional to 67,409 and 144,994
Half scale
Find third proportional to 269,636 and 579,976
Double scale
Find third proportional to 134,820 and 289,992
Similar ratio
Find third proportional to 202,227 and 434,982
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.