Home / 54,650-86,430

Finding the Third Proportional to 54,650 and 86,430

Calculator

Solution

The third proportional to 54,650 and 86,430 is: 136,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650 : 86,430 = 86,430 : x
  2. Step 2: Convert to fraction form
    54,650/86,430 = 86,430/x
  3. Step 3: Cross multiply
    54,650x = 86,430 × 86,430
  4. Step 4: Simplify right side
    54,650x = 7,470,144,900
  5. Step 5: Solve for x
    x = 7,470,144,900/54,650
  6. Step 6: Final answer
    x = 136,690.67

Related Problems

Find third proportional to 27,325 and 43,215
Half scale
Find third proportional to 109,300 and 172,860
Double scale
Find third proportional to 54,652 and 86,433
Similar ratio
Find third proportional to 81,975 and 129,645
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.