Home / 57,636-87,638

Finding the Third Proportional to 57,636 and 87,638

Calculator

Solution

The third proportional to 57,636 and 87,638 is: 133,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,636 : 87,638 = 87,638 : x
  2. Step 2: Convert to fraction form
    57,636/87,638 = 87,638/x
  3. Step 3: Cross multiply
    57,636x = 87,638 × 87,638
  4. Step 4: Simplify right side
    57,636x = 7,680,419,044
  5. Step 5: Solve for x
    x = 7,680,419,044/57,636
  6. Step 6: Final answer
    x = 133,257.32

Related Problems

Find third proportional to 28,818 and 43,819
Half scale
Find third proportional to 115,272 and 175,276
Double scale
Find third proportional to 57,638 and 87,641
Similar ratio
Find third proportional to 86,454 and 131,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.