Home / 130,724-286,368

Finding the Third Proportional to 130,724 and 286,368

Calculator

Solution

The third proportional to 130,724 and 286,368 is: 627,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,724 : 286,368 = 286,368 : x
  2. Step 2: Convert to fraction form
    130,724/286,368 = 286,368/x
  3. Step 3: Cross multiply
    130,724x = 286,368 × 286,368
  4. Step 4: Simplify right side
    130,724x = 82,006,631,424
  5. Step 5: Solve for x
    x = 82,006,631,424/130,724
  6. Step 6: Final answer
    x = 627,326.52

Related Problems

Find third proportional to 65,362 and 143,184
Half scale
Find third proportional to 261,448 and 572,736
Double scale
Find third proportional to 130,726 and 286,372
Similar ratio
Find third proportional to 196,086 and 429,552
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.