Home / 53,478-115,514

Finding the Third Proportional to 53,478 and 115,514

Calculator

Solution

The third proportional to 53,478 and 115,514 is: 249,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478 : 115,514 = 115,514 : x
  2. Step 2: Convert to fraction form
    53,478/115,514 = 115,514/x
  3. Step 3: Cross multiply
    53,478x = 115,514 × 115,514
  4. Step 4: Simplify right side
    53,478x = 13,343,484,196
  5. Step 5: Solve for x
    x = 13,343,484,196/53,478
  6. Step 6: Final answer
    x = 249,513.52

Related Problems

Find third proportional to 26,739 and 57,757
Half scale
Find third proportional to 106,956 and 231,028
Double scale
Find third proportional to 53,480 and 115,518
Similar ratio
Find third proportional to 80,217 and 173,271
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.