Home / 130,508-286,228

Finding the Third Proportional to 130,508 and 286,228

Calculator

Solution

The third proportional to 130,508 and 286,228 is: 627,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,508 : 286,228 = 286,228 : x
  2. Step 2: Convert to fraction form
    130,508/286,228 = 286,228/x
  3. Step 3: Cross multiply
    130,508x = 286,228 × 286,228
  4. Step 4: Simplify right side
    130,508x = 81,926,467,984
  5. Step 5: Solve for x
    x = 81,926,467,984/130,508
  6. Step 6: Final answer
    x = 627,750.54

Related Problems

Find third proportional to 65,254 and 143,114
Half scale
Find third proportional to 261,016 and 572,456
Double scale
Find third proportional to 130,510 and 286,232
Similar ratio
Find third proportional to 195,762 and 429,342
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.