Home / 187,078-285,287

Finding the Third Proportional to 187,078 and 285,287

Calculator

Solution

The third proportional to 187,078 and 285,287 is: 435,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,078 : 285,287 = 285,287 : x
  2. Step 2: Convert to fraction form
    187,078/285,287 = 285,287/x
  3. Step 3: Cross multiply
    187,078x = 285,287 × 285,287
  4. Step 4: Simplify right side
    187,078x = 81,388,672,369
  5. Step 5: Solve for x
    x = 81,388,672,369/187,078
  6. Step 6: Final answer
    x = 435,052.08

Related Problems

Find third proportional to 93,539 and 142,643.50
Half scale
Find third proportional to 374,156 and 570,574
Double scale
Find third proportional to 187,080 and 285,290
Similar ratio
Find third proportional to 280,617 and 427,930.50
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.