Home / 269,066-405,647

Finding the Third Proportional to 269,066 and 405,647

Calculator

Solution

The third proportional to 269,066 and 405,647 is: 611,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,066 : 405,647 = 405,647 : x
  2. Step 2: Convert to fraction form
    269,066/405,647 = 405,647/x
  3. Step 3: Cross multiply
    269,066x = 405,647 × 405,647
  4. Step 4: Simplify right side
    269,066x = 164,549,488,609
  5. Step 5: Solve for x
    x = 164,549,488,609/269,066
  6. Step 6: Final answer
    x = 611,558.09

Related Problems

Find third proportional to 134,533 and 202,823.50
Half scale
Find third proportional to 538,132 and 811,294
Double scale
Find third proportional to 269,068 and 405,650
Similar ratio
Find third proportional to 403,599 and 608,470.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.