Home / 130,776-291,162

Finding the Third Proportional to 130,776 and 291,162

Calculator

Solution

The third proportional to 130,776 and 291,162 is: 648,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,776 : 291,162 = 291,162 : x
  2. Step 2: Convert to fraction form
    130,776/291,162 = 291,162/x
  3. Step 3: Cross multiply
    130,776x = 291,162 × 291,162
  4. Step 4: Simplify right side
    130,776x = 84,775,310,244
  5. Step 5: Solve for x
    x = 84,775,310,244/130,776
  6. Step 6: Final answer
    x = 648,248.23

Related Problems

Find third proportional to 65,388 and 145,581
Half scale
Find third proportional to 261,552 and 582,324
Double scale
Find third proportional to 130,778 and 291,166
Similar ratio
Find third proportional to 196,164 and 436,743
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.