Home / 130,184-284,128

Finding the Third Proportional to 130,184 and 284,128

Calculator

Solution

The third proportional to 130,184 and 284,128 is: 620,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,184 : 284,128 = 284,128 : x
  2. Step 2: Convert to fraction form
    130,184/284,128 = 284,128/x
  3. Step 3: Cross multiply
    130,184x = 284,128 × 284,128
  4. Step 4: Simplify right side
    130,184x = 80,728,720,384
  5. Step 5: Solve for x
    x = 80,728,720,384/130,184
  6. Step 6: Final answer
    x = 620,112.46

Related Problems

Find third proportional to 65,092 and 142,064
Half scale
Find third proportional to 260,368 and 568,256
Double scale
Find third proportional to 130,186 and 284,132
Similar ratio
Find third proportional to 195,276 and 426,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.