Home / 53,169-115,140

Finding the Third Proportional to 53,169 and 115,140

Calculator

Solution

The third proportional to 53,169 and 115,140 is: 249,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,169 : 115,140 = 115,140 : x
  2. Step 2: Convert to fraction form
    53,169/115,140 = 115,140/x
  3. Step 3: Cross multiply
    53,169x = 115,140 × 115,140
  4. Step 4: Simplify right side
    53,169x = 13,257,219,600
  5. Step 5: Solve for x
    x = 13,257,219,600/53,169
  6. Step 6: Final answer
    x = 249,341.15

Related Problems

Find third proportional to 26,584.50 and 57,570
Half scale
Find third proportional to 106,338 and 230,280
Double scale
Find third proportional to 53,171 and 115,144
Similar ratio
Find third proportional to 79,753.50 and 172,710
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.