Home / 53,445-115,455

Finding the Third Proportional to 53,445 and 115,455

Calculator

Solution

The third proportional to 53,445 and 115,455 is: 249,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445 : 115,455 = 115,455 : x
  2. Step 2: Convert to fraction form
    53,445/115,455 = 115,455/x
  3. Step 3: Cross multiply
    53,445x = 115,455 × 115,455
  4. Step 4: Simplify right side
    53,445x = 13,329,857,025
  5. Step 5: Solve for x
    x = 13,329,857,025/53,445
  6. Step 6: Final answer
    x = 249,412.61

Related Problems

Find third proportional to 26,722.50 and 57,727.50
Half scale
Find third proportional to 106,890 and 230,910
Double scale
Find third proportional to 53,447 and 115,459
Similar ratio
Find third proportional to 80,167.50 and 173,182.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.