Home / 130,725-286,371

Finding the Third Proportional to 130,725 and 286,371

Calculator

Solution

The third proportional to 130,725 and 286,371 is: 627,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,725 : 286,371 = 286,371 : x
  2. Step 2: Convert to fraction form
    130,725/286,371 = 286,371/x
  3. Step 3: Cross multiply
    130,725x = 286,371 × 286,371
  4. Step 4: Simplify right side
    130,725x = 82,008,349,641
  5. Step 5: Solve for x
    x = 82,008,349,641/130,725
  6. Step 6: Final answer
    x = 627,334.86

Related Problems

Find third proportional to 65,362.50 and 143,185.50
Half scale
Find third proportional to 261,450 and 572,742
Double scale
Find third proportional to 130,727 and 286,375
Similar ratio
Find third proportional to 196,087.50 and 429,556.50
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.