Home / 90,699-211,794

Finding the Third Proportional to 90,699 and 211,794

Calculator

Solution

The third proportional to 90,699 and 211,794 is: 494,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699 : 211,794 = 211,794 : x
  2. Step 2: Convert to fraction form
    90,699/211,794 = 211,794/x
  3. Step 3: Cross multiply
    90,699x = 211,794 × 211,794
  4. Step 4: Simplify right side
    90,699x = 44,856,698,436
  5. Step 5: Solve for x
    x = 44,856,698,436/90,699
  6. Step 6: Final answer
    x = 494,566.63

Related Problems

Find third proportional to 45,349.50 and 105,897
Half scale
Find third proportional to 181,398 and 423,588
Double scale
Find third proportional to 90,701 and 211,799
Similar ratio
Find third proportional to 136,048.50 and 317,691
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.