Home / 130,372-207,221

Finding the Third Proportional to 130,372 and 207,221

Calculator

Solution

The third proportional to 130,372 and 207,221 is: 329,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,372 : 207,221 = 207,221 : x
  2. Step 2: Convert to fraction form
    130,372/207,221 = 207,221/x
  3. Step 3: Cross multiply
    130,372x = 207,221 × 207,221
  4. Step 4: Simplify right side
    130,372x = 42,940,542,841
  5. Step 5: Solve for x
    x = 42,940,542,841/130,372
  6. Step 6: Final answer
    x = 329,369.36

Related Problems

Find third proportional to 65,186 and 103,610.50
Half scale
Find third proportional to 260,744 and 414,442
Double scale
Find third proportional to 130,374 and 207,224
Similar ratio
Find third proportional to 195,558 and 310,831.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.