Home / 130,659-286,230

Finding the Third Proportional to 130,659 and 286,230

Calculator

Solution

The third proportional to 130,659 and 286,230 is: 627,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,659 : 286,230 = 286,230 : x
  2. Step 2: Convert to fraction form
    130,659/286,230 = 286,230/x
  3. Step 3: Cross multiply
    130,659x = 286,230 × 286,230
  4. Step 4: Simplify right side
    130,659x = 81,927,612,900
  5. Step 5: Solve for x
    x = 81,927,612,900/130,659
  6. Step 6: Final answer
    x = 627,033.83

Related Problems

Find third proportional to 65,329.50 and 143,115
Half scale
Find third proportional to 261,318 and 572,460
Double scale
Find third proportional to 130,661 and 286,234
Similar ratio
Find third proportional to 195,988.50 and 429,345
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.