Home / 99,755-213,331

Finding the Third Proportional to 99,755 and 213,331

Calculator

Solution

The third proportional to 99,755 and 213,331 is: 456,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,755 : 213,331 = 213,331 : x
  2. Step 2: Convert to fraction form
    99,755/213,331 = 213,331/x
  3. Step 3: Cross multiply
    99,755x = 213,331 × 213,331
  4. Step 4: Simplify right side
    99,755x = 45,510,115,561
  5. Step 5: Solve for x
    x = 45,510,115,561/99,755
  6. Step 6: Final answer
    x = 456,218.89

Related Problems

Find third proportional to 49,877.50 and 106,665.50
Half scale
Find third proportional to 199,510 and 426,662
Double scale
Find third proportional to 99,757 and 213,335
Similar ratio
Find third proportional to 149,632.50 and 319,996.50
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.