Home / 99,615-213,327

Finding the Third Proportional to 99,615 and 213,327

Calculator

Solution

The third proportional to 99,615 and 213,327 is: 456,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,615 : 213,327 = 213,327 : x
  2. Step 2: Convert to fraction form
    99,615/213,327 = 213,327/x
  3. Step 3: Cross multiply
    99,615x = 213,327 × 213,327
  4. Step 4: Simplify right side
    99,615x = 45,508,408,929
  5. Step 5: Solve for x
    x = 45,508,408,929/99,615
  6. Step 6: Final answer
    x = 456,842.93

Related Problems

Find third proportional to 49,807.50 and 106,663.50
Half scale
Find third proportional to 199,230 and 426,654
Double scale
Find third proportional to 99,617 and 213,331
Similar ratio
Find third proportional to 149,422.50 and 319,990.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.