Home / 130,554-286,326

Finding the Third Proportional to 130,554 and 286,326

Calculator

Solution

The third proportional to 130,554 and 286,326 is: 627,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,554 : 286,326 = 286,326 : x
  2. Step 2: Convert to fraction form
    130,554/286,326 = 286,326/x
  3. Step 3: Cross multiply
    130,554x = 286,326 × 286,326
  4. Step 4: Simplify right side
    130,554x = 81,982,578,276
  5. Step 5: Solve for x
    x = 81,982,578,276/130,554
  6. Step 6: Final answer
    x = 627,959.15

Related Problems

Find third proportional to 65,277 and 143,163
Half scale
Find third proportional to 261,108 and 572,652
Double scale
Find third proportional to 130,556 and 286,330
Similar ratio
Find third proportional to 195,831 and 429,489
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.