Home / 115,476-257,184

Finding the Third Proportional to 115,476 and 257,184

Calculator

Solution

The third proportional to 115,476 and 257,184 is: 572,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,476 : 257,184 = 257,184 : x
  2. Step 2: Convert to fraction form
    115,476/257,184 = 257,184/x
  3. Step 3: Cross multiply
    115,476x = 257,184 × 257,184
  4. Step 4: Simplify right side
    115,476x = 66,143,609,856
  5. Step 5: Solve for x
    x = 66,143,609,856/115,476
  6. Step 6: Final answer
    x = 572,790.97

Related Problems

Find third proportional to 57,738 and 128,592
Half scale
Find third proportional to 230,952 and 514,368
Double scale
Find third proportional to 115,478 and 257,188
Similar ratio
Find third proportional to 173,214 and 385,776
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.