Home / 54,459-115,638

Finding the Third Proportional to 54,459 and 115,638

Calculator

Solution

The third proportional to 54,459 and 115,638 is: 245,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459 : 115,638 = 115,638 : x
  2. Step 2: Convert to fraction form
    54,459/115,638 = 115,638/x
  3. Step 3: Cross multiply
    54,459x = 115,638 × 115,638
  4. Step 4: Simplify right side
    54,459x = 13,372,147,044
  5. Step 5: Solve for x
    x = 13,372,147,044/54,459
  6. Step 6: Final answer
    x = 245,545.22

Related Problems

Find third proportional to 27,229.50 and 57,819
Half scale
Find third proportional to 108,918 and 231,276
Double scale
Find third proportional to 54,461 and 115,642
Similar ratio
Find third proportional to 81,688.50 and 173,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.